Valid Palindrome

Palindrome

#palindrome program in python
n=int(input('Enter a number :'))
num=n
rev=0

while n>0:
 r=n%10
 rev=rev*10+r
 n//=10
print('Reverse of',num,'=',rev)
if rev==num:
  print(num,'is a palindrome number')
else :
  print(num,'is not a palindrome number')
#output
Enter a number :132
Reverse of 132 = 231
132 is not a palindrome numbe
________________________________________________________________________________
Enter a number :451
Reverse of 451 = 154
451 is not a palindrome number
________________________________________________________________________________
Enter a number :12321
Reverse of 12321 = 12321
12321 is a palindrome number

Valid Palindrome

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)}')

Source: favtutor.com

Palindrome number

let data = 12421

const dataOne = data.toString().split("").reverse().join("");
data = data.toString();

dataOne === data ? console.log("Palindrom")
  : console.log("Not Palindorm");

What is palindrome

function Palindrome(str) { 

  str = str.replace(/ /g,"").toLowerCase();
  var compareStr = str.split("").reverse().join("");

  if (compareStr === str) {
    return true;
  } 
  else {
    return false;
  } 

}

Palindrome

function isPalindrome(text) {
  return [...text].reverse().join('') === text;
}

isPalindrome = text => {
	return [...text].reverse().join('') === text;
}

isPalindrome = text => [...text].reverse().join('') === text;

Check if palindrome

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

-1

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