Showing posts with label palindrome regular expression example. Show all posts
Showing posts with label palindrome regular expression example. Show all posts
Palindrome regular expression
Posted by Raj
Palindrome regular expression
A palindrome is a word that is same from front to back and back to front. e.g. Noon
Search for two identical letters, use "\([a-z]\)\1".
The regular expression to match a 5 letter palindrome:
\([a-z]\)\([a-z]\)[a-z]\2\1
A palindrome is a word that is same from front to back and back to front. e.g. Noon
Search for two identical letters, use "\([a-z]\)\1".
The regular expression to match a 5 letter palindrome:
\([a-z]\)\([a-z]\)[a-z]\2\1