in reply to The regular expression in perl one liner not giving the expected output

Do not use </br> tags. Please put your data also in <code> ... </code> tags. That makes it a lot easier to look at it or download it to test it.

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