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check if string is a palindrome

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Maliha Jamil answered on August 17, 2020 Popularity 9/10 Helpfulness 2/10

answer check if string is a palindrome

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check if string is a palindrome

Comment

<script>
  // function that check str is palindrome or not
  function check_palindrome( str )
  {
    let j = str.length -1;
    for( let i = 0 ; i < j/2 ;i++)
    {
      let x = str[i] ;//forward character
      let y = str[j-i];//backward character
      if( x != y)
      {
        // return false if string not match
        return false;
      }
    }
    /// return true if string is palindrome
    return true;
     
  }
 
  //function that print output is string is palindrome
  function is_palindrome( str )
  {
    // variable that is true if string is palindrome
    let ans = check_palindrome(str);
    //condition checking ans is true or not
    if( ans == true )
    {
      console.log("passed string is palindrome ");
    }
    else
    {
      console.log("passed string not a palindrome");
    }
  }
  // test variable
  let test = "racecar";
  is_palindrome(test);
</script>

Popularity 9/10 Helpfulness 2/10 Language whatever

Source: www.geeksforgeeks.org

Tags: palindrome whatever

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Contributed on Sep 21 2022

Maliha Jamil

0 Answers Avg Quality 2/10

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check if a string is palindrome cpp

Comment

// Check whether the string is a palindrome or not.
#include <bits/stdc++.h>

using namespace std;

int main(){
    string s;
    cin >> s;
    
    int l = 0;
    int h = s.length()-1;

    while(h > l){
        if(s[l++] != s[h--]){
            cout << "Not a palindrome" << endl;
            return 0;
        }
    }
    cout << "Is a palindrome" << endl;
    return 0;

}

Popularity 10/10 Helpfulness 4/10 Language cpp

Source: Grepper

Tags: c++

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Contributed on Jan 23 2021

Glamorous Gibbon

0 Answers Avg Quality 2/10

check for palindromes

Comment

function palindrome(str) {
  var re = /[\W_]/g;// representing Non-alphanumetic characters
  var lowRegStr = str.toLowerCase().replace(re, '');
  var reverseStr = lowRegStr.split('').reverse().join(''); 
  return reverseStr === lowRegStr;
}
palindrome("A man, a plan, a canal. Panama");

Popularity 10/10 Helpfulness 2/10 Language javascript

Source: www.freecodecamp.org

Tags: javascript j

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Contributed on Mar 25 2022

Ernest Adonu

0 Answers Avg Quality 2/10

check if palindrome

Comment

function isPalindrome(str) {
  str = str.toLowerCase();
  return str === str.split("").reverse().join("");
}

Popularity 10/10 Helpfulness 2/10 Language javascript

Source: Grepper

Tags: javascript j

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Contributed on Aug 17 2020

Fylls

0 Answers Avg Quality 2/10

Checking String Palindrome

Comment

int main()
{
    char str1[20], str2[20];
    int i, j, len = 0, flag = 0;
    cout << "Enter the string : ";
    gets(str1);
    len = strlen(str1) - 1;
    for (i = len, j = 0; i >= 0 ; i--, j++)
        str2[j] = str1[i];
    if (strcmp(str1, str2))
        flag = 1;
    if (flag == 1)
        cout << str1 << " is not a palindrome";
    else
        cout << str1 << " is a palindrome";
    return 0;
}

Popularity 9/10 Helpfulness 1/10 Language whatever

Source: www.sanfoundry.com

Tags: palindrome p

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Contributed on Jul 17 2022

Bewildered Bug

0 Answers Avg Quality 2/10

Checking String Palindrome

Comment

int main()
{
    char str1[20], str2[20];
    int i, j, len = 0, flag = 0;
    cout << "Enter the string : ";
    gets(str1);
    len = strlen(str1) - 1;
    for (i = len, j = 0; i >= 0 ; i--, j++)
        str2[j] = str1[i];
    if (strcmp(str1, str2))
        flag = 1;
    if (flag == 1)
        cout << str1 << " is not a palindrome";
    else
        cout << str1 << " is a palindrome";
    return 0;
}

Popularity 9/10 Helpfulness 1/10 Language whatever

Source: www.sanfoundry.com

Tags: palindrome p

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Contributed on Jul 17 2022

Bewildered Bug

0 Answers Avg Quality 2/10

Valid Palindrome

Comment

class Solution :
   def isPalindrome(self, string: str ) :
       '''
       A function to check if a string is Palindrome or not!
       :param string: string to be checked
       :return: True if it is palindrome else False
       '''
       string = string.lower()
       s_stripped = ''.join(list( filter ( lambda x : x.isalnum () == True , string)))
       return s_stripped == s_stripped[::-1]


if __name__ == '__main__' :
   string = 'Was it a car or a cat I saw!!'
   print (f'Is "{string}" a palindrome? : {Solution ().isPalindrome (string)}')
   string2 = 'A man, a plan,'
   print (f'Is "{string2}" a palindrome? : {Solution ().isPalindrome (string2)}')

Popularity 10/10 Helpfulness 1/10 Language python

Source: favtutor.com

Tags: palindrome p

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Contributed on Jan 24 2022

Itchy Impala

0 Answers Avg Quality 2/10

valid palindrome

Comment

anything

Popularity 9/10 Helpfulness 1/10 Language whatever

Source: Grepper

Tags: palindrome p

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Contributed on Aug 23 2022

Rainer Rilke

0 Answers Avg Quality 2/10

Determine if a string is a palindrome?

Comment

import java.util.Scanner;

public class PalindromeCheck {

    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        System.out.print("Enter a string: ");
        String input = scanner.nextLine();

        boolean isPalindrome = true;
        int length = input.length();

        for (int i = 0; i < length / 2; i++) {
            if (input.charAt(i) != input.charAt(length - 1 - i)) {
                isPalindrome = false;
                break;
            }
        }

        if (isPalindrome) {
            System.out.println("The string is a palindrome.");
        } else {
            System.out.println("The string is not a palindrome.");
        }

        scanner.close();
    }
}

Popularity 7/10 Helpfulness 1/10 Language java

Source: chat.openai.com

Tags: java string

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Contributed on Aug 10 2023

Dark Dogfish

0 Answers Avg Quality 2/10

Check if a String is Palindrome

Comment

def is_palindrome(s):
    s = s.lower()  # Convert to lowercase for case-insensitive comparison
    return s == s[::-1]

string = "radar"
if is_palindrome(string):
    print("Palindrome")
else:
    print("Not Palindrome")

Popularity 7/10 Helpfulness 1/10 Language python

Source: Grepper

Tags: palindrome python string

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Contributed on Aug 14 2023

Python in LatEx :P

0 Answers Avg Quality 2/10

check if string is a palindrome

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