in reply to
book vs. web for Perl Regex study?
If you are just beginning with Regex, you should try the 'Regex Coach'.
It's a nice little piece of software, free, written in Lisp, and least compatible with Perl 5.6.
Very 'pedagogic' :)
And for linux:
The same name on every site (unless it is taken already)
A different name for every site
The same name for sites I don't care about, but different names on sites I do care about
Different names for sites I don't care about, but the same name on sites I do care about
The anonymous account
Someone else's username
Root, after hacking into the site
Results (249 votes),