in reply to decrypt the string

Try all different strings and run them through the crypt() function. The string which gives you the same encrypted result is the one you are looking for.

Warning: this might take a long time!

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

In Section Seekers of Perl Wisdom