But then again,The Regex makes it easier for constructing the Expression; finding the correct Regex is another story though...match_word_regex =`\w+` match_duplicate_chars_regex =`(.)(?=.*\1)`

Wow! Well done mate.

You should win ... if you don't you still should be given a gold medal for creativity! Well done!!!

Well done but constructing the correct Regex is another story...