On Tue, Feb 17, 2009 at 3:30 PM, Daniel de Kok <me at danieldk.org> wrote: > > Hmmm, define "complex" \w+([\-+.]\w+)*@\w+([\-.]\w+)*\.\w+([\-.]\w+)* This is a simple email regexp. This takes about 4 or 5 seconds to compile on my lappy (Pentium M). It only goes up from there.