I'm confused by Perl's regex abilities. There seems to be a lot of duplicate flags: ^ and \A both match the beginning of a string. $ and \Z both match the end. It seems redundant and confusing. I'm ...

Perl is still the leader, almost the standard, when it comes to regular expressions. However it also possesses some lesser known features that deserve special attention, like the embedded code ...

Hello all,<BR><BR> I am having trouble getting a PERL Regex to work and I was hoping you guys could be kind enough to help.<BR><BR>Essentially I have filenames in sentences that I want to check for ...

Imagine you are looking for a name in a telephone directory, but you can't remember its exact spelling. You can spend ages searching through all the possible combinations, unless you have a tool that ...