PalindromeCheck

PalindromeCheck.py

# Check if a string is palindrome or not
# Ignore all non-letter characters in the string and check should be case-insensitive

#"a"
#"ABba"
#"..a..a"
#"A man, a plan, a canal, Panama!"
#"amanaplanacanalpanama"
#"amanap"..

import re
regex = re.compile('[^a-zA-Z]')
inp_strs = ["a", "ABba", "..a..a", "A man, a plan, a canal, Panama!", "amanaplanacanalpanama", "amanap"]
for i in inp_strs:
    #remove non-letter chars & convert to lower case
    stripped_str = regex.sub('', i).lower()
    if stripped_str == stripped_str[::-1]:
        print i, "--is palindrome"
    else:
        print i, "--is not palindrome"