in reply to Interview Prepration
The e-mail regex.
But if the applicant for the job knows this regex by heart, I wouldn't hire him. There must be something very fundamentally wrong with him/her if he stuffs his brain with this kind of knowledge.
CountZero
"If you have four groups working on a compiler, you'll get a 4-pass compiler." - Conway's Law
In Section
Seekers of Perl Wisdom