Palindrome String Check Program in Java. Palindrome algorithm. are the palindrome numbers. All Rights Reserved. Time complexity : O(logn) Algorithm. Palindrome examples also exist in phrases or sentences where punctuation, capitals, and spacing are ignored. Composing literature in palindromes is an example of constrained writing. "iGattiNonAvevanoCugini" is not so. Palindrome String Check Program in Java. Given a string, write a recursive function that check if the given string is palindrome, else not palindrome. Two digit numbers like 11, 22, …99 are also the palindrome number. How can you determine if a string is a palindrome in the C# language? If there is no way to do so, return the empty string. A palindrome is a word, phrase, number, or other sequence of units that may be read the same way in either direction, generally if used comma, separators or other word dividers are ignored. The actual Greek phrase alluded to the backward movement of the crab. It is a form of word puzzle. This Java program asks the user to provide a string input and checks it for the Palindrome String. Here there are 9 sub-strings that are scatter palindrome. Write the … right is equal to the string read from right to left. The word palindrome was introduced by Henry Peacham in 1638. For example, dad reads the same either from forward or backward. Check Palindrome String using StringBuilder. Learn to check if a given string is palindrome string with simple java programs using stack, queue or simple loops. A palindrome has the same letters on both ends of the string. C Program to Check the Given String is Palindrome Example 1. For example, ignoring Example. A palindrome number is a number that is equal to its reverse. An example palindrome. Read the number or letter. Some of the palindrome numbers are 365563, 48984, 12321, 171, 88, 90009, 343 and some of the palindrome strings … We will look at the logical steps of building a solution for checking strings that have the palindrome property. Given a string S, check if it is palindrome or not.. Next, it will check whether the user-specified string is a palindrome string or not. repaper Racing – is not a palindrome. Punctuation and spaces between the words or lettering is allowed. Palindrome Examples. Example. rotator This python program allows the user to enter a string. To check if a string is palindrome or not, you need to first find the reverse of the string using − Array.reverse() After that use the equals() method to match the original string with the reversed. Palindrome Program Next, it will check whether the user-specified string is a palindrome string or not. So the word dad … But in the case of ‘LUCKY’, this string is not palindrome as it is ‘YKCUL’ when it is reversed. There, instead of each character matching, the whole sentence can be read backward and forwards. 1. Palindrome Program in C# with Examples. Racecar – is a palindrome. Traverse the input string… The longest single-word palindrome in the English language, according to the Oxford English Dictionary, is the onomatopoeic 'tattarrattat', coined by James Joyce in Ulysses (1922) for a knock on the door. In this article, I am going to discuss the Palindrome Program in C# with some examples. Palindromes can be read in both directions. Many molecular lengths between 4 and 8 nucleotides are palindromic as they correspond to nitrogenous sequences that read the same forwards as they do backward. Racecar – is a palindrome. Java Program Two digit numbers like 11, 22, …99 are also the palindrome number. Examples : Input : malayalam Output : Yes Reverse of malayalam is also malayalam. A string is Palindrome if position of each character remain same in case even string is reversed.For example 'MADAM' is a palidrome string as position of each character remain same even if string 'MADAM' is reversed.Now in order to identify a string as palindrome or not we can use library method approach and also without library method approach. Scanner class and its function nextLine() is used to obtain the input, and println() function is used to print on the screen. Given a palindromic string palindrome, replace exactly one character by any lowercase English letter so that the string becomes the lexicographically smallest possible string that isn’t a palindrome. The individual letters don't match, but the whole words do. Not exactly a grammatically correct sentence, but still pretty fun. Example: palindrome string A string is said to be a palindrome if the string read from left to right is equal to the string read from right to left. Examples: Input: str = “abba” Output: Yes Input: str = “geeks” Output: No You may ignore the case, punctuations, and word dividers while determining a palindrome. Reverse the letter or number. The idea is inspired from Longest Palindromic Substring problem. Algorithm to check Palindrome string If a word is formed from the first letters of each word, and then from the second, the third and so on, it can then be arranged into a word square. From this definition, we can define the center of a palindrome. Example: Example: madam, lol, pop, radar, etc. A palindrome string is the same when reading forward and backward. Wow. Check Palindrome String using StringBuilder. a string constituted only by a single character is a palindrome. A string is a palindrome if it is read the same from forward or backward. "iTopiNonAvevanoNipoti" is a palindrome, while the string This program for string palindrome in c allows the user to enter a string (or character array), and a character value. the difference between uppercase and lowercase letters, the string Palindrome : A word, sequence or number that reads same when reversed. Palindromes are seen in dates, and even in acoustics when a phrase once recorded and played backward sounds the same. This first known palindrome was in Latin and read "sator arepo tenet opera rotas" which means either: The sower Arepo holds the wheels with effort. Then, add the following code in the for loop: if value[start] != value[end] { return false} . For example, if s = "abc", then "" + "abc", "a" + "bc", "ab" + "c", and "abc" + "" are valid splits. We will look at the logical steps of building a solution for checking strings that have the palindrome property. Write a program that uses a recursive function to check whether a string is a palindrome. In computer science, the longest palindromic substring or longest symmetric factor problem is the problem of finding a maximum-length contiguous substring of a given string that is also a palindrome.For example, the longest palindromic substring of "bananas" is "anana". Examples. The same will be applied to the palindrome string. The above code will compare the character for the start index with the character for the end index, by using subscript syntax.If they’re not the same, the function returns false, because this string is not a palindrome!. In fact, a palindromic prime is a palindromic number that is a prime number, such as 191 and 313. Length of palindrome substring is greater then or equal to 2. It is derived from the Greek roots πάλιν 'again' and δρóμος 'way, direction'; a different word is used in Greek, καρκινικός 'carcinic' (lit. Fun fact: the longest palindrome in use today is said to be the Finnish word \"saippuakivikauppias\" which means soapstone vendor. If you say a string is a palindrome, it means the string has the same meaning even after reversing the string. Compare the temporary variable with reverses letter or number. Palindromes exist in names too; a past Prime Minister of Cambodia was named Lon Nol. Palindrome : A word, sequence or number that reads same when reversed. Let us try the complete example. The sower Arepo leads with his hand the plough. Example 1: Input: palindrome = “abccba” A palindrome is a string that is the same read forward or backward. Some palindromes use whole words rather than letters, for example, "First ladies rule the State and state the rule: ladies first." Below are a few examples of Palindromes. In simplest words, a string is palindrome if it is equal to it’s reverse string.. A palindrome is a word, phrase, number, or other sequence of units that may be read the same way in either direction, generally if used comma, separators or other word dividers are ignored. Other fun palindromes include: The most common of English palindromes are those that are read character by character, for instance, "level," "rotor," and "racecar". Mom; Madam; a2332a; Rubber; Dad; 123454321; Trivia: Is 02/02/2020 a palindrome string when considered as a palindrome phrase? Examples of Palindrome Function in Java. Below are a few examples of Palindromes. Level. After doing so, return the final string. In simplest words, a string is palindrome if it is equal to it’s reverse string. Hold the letter or number in a temporary variable. Given a palindromic string palindrome, replace exactly one character by any lowercase English letter so that the string becomes the lexicographically smallest possible string that isn’t a palindrome. Consider them brain teasers. Like its distant cousin the pangram, the palindrome is a type of word play involving the alphabet. c++ algorithm c++11 data-structures dynamic-programming Example A palindrome string is the one that once reversed produces the same result as the original input string. Explanation : We are using the same array of strings as the above example. Palindromes were also found in ancient Greek and in ancient Sanskrit, so obviously people have been having quite a lot of fun with these unique words for quite a long time. crab-like) to refer to letter-by-letter reversible writing. Scanner class and its function nextLine() is used to obtain the input, and println() function is used to print on the screen. Noon. Hold the letter or number in a temporary variable. The word palindrome is derived from the Greek 'palin,' or "back" and 'dromos' or "direction." If there is no way to do so, return the empty string. civic C Program to Print String C Program to Add n Number of Times C Program to Generate Random Numbers C Program to Check whether the Given Number is a Palindromic C Program to Check whether the Given Number is a Prime C Program to Find the Greatest Among Ten Numbers C Program to Find the Greatest Number of Three Numbers C Program to Asks the User For a Number Between 1 to 9 C … In this blog, we will learn How to write a program to check whether a String is a Palindrome or not in C#. So the word dad … For examples, the numbers such as 121, 232, 12344321, 34543, 98789, etc. Examples: Input : Given a string, the task is to count all palindrome substring in a given string. You will get the same number and string after you reverse each digit of number or string characters. Character by character means that each character of the word matches and the word can be spelled the same forwards or backward. There are many palindrome numbers with all single digit numbers. They are also found in numbers and are studied in recreational mathematics. A word square can be read in four different ways: horizontally or vertically from either top left to bottom right or bottom right to top left. Malayalam. For example, the longest palindromic substring of "bananas" is "anana". Examples. Expected Time Complexity: O(Length of S) radar For example, strings {, , , } are palindromes, while {, } are not. The output is the same as the previous example. The same you can say with the three digits and other digits numbers. The following is an inductive characterization of a palindrome string: Using such a characterization, we can implement a recursive method that Traverse the input string… C Program to Print String C Program to Add n Number of Times C Program to Generate Random Numbers C Program to Check whether the Given Number is a Palindromic C Program to Check whether the Given Number is a Prime C Program to Find the Greatest Among Ten Numbers C Program to Find the Greatest Number of Three Numbers C Program to Asks the User For a Number Between 1 to 9 C … For example, dad reads the same either from forward or backward. Famous examples include “ Amore, Roma “, “ A man, a plan, a canal: Panama ” and “ No ‘x’ in ‘Nixon’ “. This Java program asks the user to provide a string input and checks it for the Palindrome String. String could be a palindrome if it equals the reverse of it. The string "civic" is a palindrome, but "perls" is not. If it is True, Palindrome string; otherwise, not a palindrome string … This program for string palindrome in c allows the user to enter a string (or character array), and a character value. A palindrome is a word, phrase, number, or other sequence of characters which reads the same backward or forward. Read the number or letter. Example 1: Input: S = "abba" Output: 1 Explanation: S is a palindrome Example 2: Input: S = "abc" Output: 0 Explanation: S is not a palindrome Your Task: You don't need to read input or print anything. Example 1: Input: S = "abba" Output: 1 Explanation: S is a palindrome Example 2: Input: S = "abc" Output: 0 Explanation: S is not a palindrome Your Task: You don't need to read input or print anything. Python Program to Check a Given String is Palindrome or not Example 1. Length of palindrome substring is greater then or equal to 2. Composing literature in palindromes is an example of constrained writing.. Our palindrome examples below will provide some interesting insight into this wordplay. Palindromes are even seen in molecular biology. Let us proceed with an example for the same. Let’s say that s is a string of N characters. If both are equal, then we can say that the given string is a palindrome… Rotator. For example, "dad" is the same in forward or reverse direction. Your program must contain a value-returning recursive function that returns true if the string is a palindrome and false otherwise. pop Complete the function isPlaindrome() which accepts string S and returns a boolean value. For example, ignoring the difference between uppercase and lowercase letters, the string "iTopiNonAvevanoNipoti" is a palindrome, while the string "iGattiNonAvevanoCugini" is not so. In the following example, we shall reverse the given string in Java using StringBuilder, and compare it with its original value. Racing – is not a palindrome. When you split a string s into s prefix and s suffix, either s suffix or s prefix is allowed to be empty. In the method body, we determine the minimum and maximum indexes inside the string. "Madam I'm Adam" is a famous character by character palindrome. Example 1: Input: palindrome = “abccba” C Program to Check the Given String is Palindrome Example 1. This program introduces the IsPalindrome boolean method. For example, ‘MADAM’ is a palindrome string since it is spelled ‘MADAM’ even if it is reversed. Share your examples below. kayak Given a string str, the task is to find whether the string is a palindrome or not in Java without using library methods.. For example, ‘MADAM’ is a palindrome string since it is spelled ‘MADAM’ even if it is reversed. For example given string "aabb", the scatter palindromes are a, aa, aab, aabb, a, abb, b, bb, and b. Ailihphilia. I have thought of brute force approach, i.e generating all sub-string and checking them, but I'd like to find a better approach. The longest palindromic substring is not guaranteed to be unique; for example, in the string "abracadabra", there … A palindrome is a word or phrase or a sequence of characters that reads the same either read from backward or as in forwards e.g. The strings like level, pop, etc are some palindrome strings. Example: palindrome string. For example, the word “Hannah” is a palindrome, even though both “H’s” aren’t capitalized. Write a recursive function to check if given string is palindrome or not. For instance, do you know just how far back palindromes date? isPalindrome method reverses the string using the reverse method and compares it with the old string using str.compare.If the return value of this method is 0, it means that both strings are equal i.e. Racecar. Write the following code in … In the following example, we shall reverse the given string in Java using StringBuilder, and compare it with its original value. Write a recursive function to check if given string is palindrome or not. Civic. Else print, "this string/number is not a palindrome." The longest palindromic substring is not guaranteed to be unique; for example, in the string "abracadabra", there is no palindromic substring with length greater than three, but there are two palindromic substrings with … C program to check palindrome without using string functions. A palindrome is a word, phrase, number or sequence of words that reads the same backward as forward. If the result is true, that would mean the string is Palindrome. The complexity of this solution would be O(n 3).. We can solve this problem in O(n 2) time and O(1) space. An example palindrome. For more oddities of the English language, check out our emordnilap examples - words that spell out different words forward and backward. A palindrome is a number or string which remains the same when you reverse it. detartrated Java string palindrome – Java number palindrome example A palindrome is a word, phrase, number, or other sequence of units that may be read the same way in either direction, generally if used comma, separators or other word dividers are ignored. Strings are zero indexes based just like arrays in javascript, so we can use this to check if a string is a palindrome or not. testset Time complexity : O(logn) Algorithm. For example, madam, radar, level, mom are palindrome strings. Examples : Input : malayalam Output : Yes … Mom; Madam; a2332a; Rubber; Dad; 123454321; Trivia: Is 02/02/2020 a palindrome string when considered as a palindrome phrase? How to check if string is palindrome in Java? Example: Example: madam, lol, pop, radar, etc. Do not use any global variables, use the appropriate parameters. 1. Palindromes aren't just a word game. Please read our previous article where we discussed the Prime Number Program with some examples. Next, we used the If statement to check whether the given string is equal to the reverse of that string or not. verifies whether a string passed as a parameter is a palindrome. For example, the string "madam" is a palindrome. Palindrome algorithm. level In this case, s2 can be considered a derived string of s, with N * 2 + 1 elements. the provided string is a palindrome.. Let us proceed with an example for the same. There are many strings which are a palindrome in nature. Given a string, the task is to count all palindrome substring in a given string. That’s called a semordnilap, which happens to be itself a semordnilap of palindrome. If both letters or numbers are the same, print "this string/number is a palindrome." One of perhaps the most famous palindromes that exist in this form is "Able was I, ere I saw Elba.". First of all, we need to define what a palindrome is. A string is said to be a palindrome if the string read from left to right is equal to the string read from right to left. Copyright © 2020 LoveToKnow. A string is a palindrome if it is read the same from forward or backward. After doing so, return the final string. Check if a prefix + b suffix or b prefix + a suffix forms a palindrome. Else print, "this string/number is not a palindrome." If both letters or numbers are the same, print "this string/number is a palindrome." Malayalam, Madam, etc. deified There are several string palindromes which you can use to check whether their meaning changes after reversing the string or not. A palindrome is a word, phrase, or sentence reads the same backward or forward--such as Madam, I'm Adam. redivider A Palindrome number is a number which is going to be same after reversing the digits of that number. A palindrome string is one that reads the same backward as well as forward. Another aspect of the palindrome is that it is able to reproduce itself. Fun fact: the longest palindrome in use today is said to be the Finnish word "saippuakivikauppias" which means soapstone vendor. Introduction : A palindrome string is a string that is equal from both sides. Compare the temporary variable with reverses letter or number. But in the case of ‘LUCKY’, this string is not palindrome as it is ‘YKCUL’ when it is reversed. A string is Palindrome if position of each character remain same in case even string is reversed.For example 'MADAM' is a palidrome string as position of each character remain same even if string 'MADAM' is reversed.Now in order to identify a string as palindrome or not we can use library method approach and also without library method approach. Given a string s and an integer k.You should construct k non-empty palindrome strings using all the characters in s.. Return True if you can use all the characters in s to construct k palindrome strings or False otherwise.. In this post, we will learn how to find if a string is palindrome or not in C++. Expected Time Complexity: O(Length of S) A palindrome string is the one that once reversed produces the same result as the original input string. Finally, at the end of the function, outside the for loop, add this code: And what about words that spell another word backwards, like “live” becoming “evil”? deed Some palindrome strings are: "C", "CC", "madam", "ab121ba", "C++&&++C". The longest single-word palindrome in the English language, according to the Oxford English Dictionary, is the onomatopoeic 'tattarrattat', coined by James Joyce in Ulysses (1922) for a knock on the door. For instance "Sit on a potato pan, Otis". A string is said to be a palindrome if the string read from left to Reverse the letter or number. This is one of the interview questions asked in the interview to write the logic to check whether a number or string is a palindrome or not. Palindromes are also found in modern and classical music pieces. Palindrome Program Semordnilaps (the word palindromes in reverse) are words that spell other words when spelled backwards (for example, star/rats, drawer/reward). Input: str = google Output: e l g o oo goog A simple solution would be to generate all substrings of the given string and print substrings that are palindrome. The center of a palindrome is the middle of the string that divides it into halves. Given a string S, check if it is palindrome or not.. Palindromes date back to about 70AD, when they were first found as a graffito buried in ash at Herculaneum. Given a string s and an integer k.You should construct k non-empty palindrome strings using all the characters in s.. Return True if you can use all the characters in s to construct k palindrome strings or False otherwise.. Task: Find the longest palindromic sub string in given string. The purpose of using palindromes in your writing, whether it's words, whole sentences or numbers, is to exercise your brain, working within tight parameters to create something interesting and entertaining. Example racecar String could be a palindrome if it equals the reverse of it. Palindrome Examples. Palindrome Examples: Madam. 1. It can be of odd or even length. If both are equal, then we can say that the given string is a palindrome. Another example is "aibohphobia", … So go ahead and have fun with them! Complete the function isPlaindrome() which accepts string S and returns a boolean value. Other fun palindromes include: Strings are zero indexes based just like arrays in javascript, so we can use this to check if a string is a palindrome or not. Of the English language, check out our emordnilap examples - words that spell out different words forward and.. Not palindrome. palindrome or not in Java using StringBuilder, and even in acoustics a!, I 'm Adam '' is a string that is equal to it’s reverse string allowed to the! For the same read forward or backward of number or string which remains the same as previous! This string is palindrome or not ’ s say that the given string palindrome string example a palindrome it. ‘ madam ’ is a palindrome number word dad … given a string that is equal to reverse! Another word backwards, like “live” becoming “evil” pretty fun the string `` civic '' is a palindrome has same... Its original value names too ; a past Prime Minister of Cambodia was named Lon Nol I saw.. Previous example same read forward or backward going to discuss the palindrome property one of perhaps the most palindromes. Middle of the word dad … given a string input and checks it for the palindrome string is middle. Today is said to be empty, instead of each character of English... The case, punctuations, and a character value palindrome or palindrome string example for strings! €¦ given a string is a palindrome is a palindrome. such as 121, 232 12344321! The minimum and maximum indexes inside the string is palindrome example 1 and backward for! In acoustics when a phrase once recorded and played backward sounds the you! Explanation: we are using the same in forward or backward * 2 1. Named Lon Nol but in the case, s2 can be spelled the same backward as.... Sentence can be considered a derived string of s, check out our examples... Checks it for the same from forward or reverse direction. string in Java without using library methods palindromic string... Hand the plough ’ s say that the given string in given string a. Palindromes are seen in dates, and compare it with its original value the given string in Java ''... Out different words forward and backward then or equal to 2 a single character is a palindrome. so. A palindromic Prime is a word, phrase, or other sequence of characters which reads the backward. €œHannah” is a string letter or number or sequence of characters which reads the when! And s suffix or s prefix is allowed of it in this post, will... As a graffito buried in ash at Herculaneum then or equal to the reverse of that string not. Strings as the above example where punctuation, capitals, and compare it with original. The original input string Output is the same previous article where we discussed the Prime number program with examples! The original input string played backward sounds the same as the above example given... And backward not in C++ true, that would mean the string civic! Will check whether their meaning changes after reversing the string is the same from forward or direction. Read forward or backward each character matching, the string or not example 1 example: madam, lol pop! The backward movement of the crab appropriate parameters Time Complexity: O ( length of ). Read forward or palindrome string example example, strings {,, } are not their meaning after! Program must contain a value-returning recursive function that returns true if the result true! Using the same backward as forward define the center of a palindrome. same array strings!: no check palindrome without using string functions palindrome examples also exist in phrases or sentences where punctuation capitals! Exactly a grammatically correct sentence, but still pretty fun malayalam Output: no check palindrome without using methods! Original input string different words forward and backward: malayalam Output: Yes reverse of malayalam is also.! Boolean value this article, I am going to discuss the palindrome property potato,! Fact, a palindromic number that is a palindrome string is the same from forward or backward names ;... Only by a single character is a palindrome is a palindrome. c # language let us proceed an... English language, check if the given string in given string in without. Palindrome or not example 1 article where we discussed the Prime number or! Palindromic substring problem the previous example, ere I saw Elba. `` if both are equal then... Are palindrome strings may ignore the case of ‘LUCKY’, this string is a palindrome if it reversed... The string `` civic '' is a palindrome string since it is ‘ YKCUL ’ when it is reversed ''. Means soapstone vendor a palindromic number that reads same when you split string... Palindrome in Java two digit numbers like 11, 22, …99 are also found modern. More oddities of the crab sub string in Java without using string functions returns a boolean value of the language! Palindromes date dividers while determining a palindrome is the one that once reversed palindrome string example the same reversed... Result is true, that would mean the string that is equal from both sides this... Print `` this string/number is a palindrome string is the same backward as well as forward find... C # with some examples checking strings that have the palindrome string is that... Where punctuation, capitals, and a character value variables, use the appropriate parameters studied in recreational mathematics single! Modern and classical music pieces palindrome if it is read the same array of strings as above. Numbers are the same you can say that the given string boolean value word,,! Is to count all palindrome substring is greater then or equal to it’s reverse string both aren’t... Number or string characters, a string is one that once reversed produces same., Otis '' are palindromes, while {, } are not and are studied recreational. Same from forward or backward Henry Peacham in 1638 spell out different words forward and backward palindrome strings a +... Result as the previous example character value or forward let us proceed with an for...: we are using the same as the previous example, while,. Remains the same forwards or backward palindromes date a past Prime Minister of Cambodia was named Lon Nol with three..., Otis '' in given string is not a palindrome. 34543, 98789, etc, are. Following example, the string after reversing the string is palindrome, else palindrome. While determining a palindrome number definition, we will look at the logical steps of building a for... Reversing the string is a palindrome if it is read the same, print `` this string/number is palindrome. Soapstone vendor with some examples, a string that is a word, sequence number. Exist in names too ; a past Prime Minister of Cambodia was named Lon Nol a number. String… task: find the longest palindrome in c # with examples us... A past Prime Minister of Cambodia was named Lon Nol palindromes date palindromes exist in names too ; past. Your program must contain a value-returning recursive function to check if a string s into s is! Example is `` anana '' ’ even if it is ‘YKCUL’ when it is.! Function that check if a string is a palindrome string '' and 'dromos ' or ``.. While determining a palindrome if it is palindrome or not ends of the word palindrome was introduced by Peacham. Ends of the string `` civic '' is not a palindrome string or..! Punctuations, and a character value it into halves this python program to whether! In the following example, ‘ madam ’ is a palindrome. s2 can be backward. 2 + 1 elements then or equal to 2 or forward be a palindrome, even though both “H’s” capitalized. Able was I, ere I saw Elba. `` since it is equal to it’s string... Word dividers while determining a palindrome. the minimum and maximum indexes inside the string civic! Greek 'palin, ' or `` direction., …99 are also found in numbers and are studied recreational! The one that reads the same backward as forward, like “live” “evil”. Find the longest palindrome in use today is said to be the Finnish word \ '' saippuakivikauppias\ '' means... Word backwards, like “live” becoming “evil” the backward movement of the word palindrome was introduced by Henry in... Or equal to it’s reverse string be read backward and forwards punctuation and between! All single digit numbers like 11, 22, …99 are also found in numbers and are studied in mathematics... String… task: find the longest palindrome in use today is said to be empty will check whether the or. Which accepts string s, with N * 2 + 1 elements of malayalam is also.... A semordnilap of palindrome. false otherwise with reverses letter or number in a given string + 1.... S2 can be read backward and forwards or character array ), and a character value split string... Each digit of number or string characters true, that would mean string... Pop, etc a prefix + b suffix or b prefix + suffix.: example: madam, lol, pop, radar, level pop! Uses a recursive function to check whether the string is a palindrome even... Fact, a string is a palindrome, but `` perls '' is a (. Only by a single character is a number or string characters strings like level, mom are palindrome strings we! N * 2 + 1 elements explanation: we are using the when... For checking strings that have the palindrome property ‘YKCUL’ when it is palindrome or....