in reply to search a regex list

Have a look at Regexp::Keywords, a regexp builder to test against keywords lists. It has lots of options and will be quite useful if your list gets more complicated.

CountZero

A program should be light and agile, its subroutines connected like a string of pearls. The spirit and intent of the program should be retained throughout. There should be neither too little or too much, neither needless loops nor useless variables, neither lack of structure nor overwhelming rigidity." - The Tao of Programming, 4.1 - Geoffrey James