Dideved - 3:15 pm on Jun 29, 2013 (gmt 0)
Some years ago, jdMorgan showed that for server under high load, these things did make a difference.
You'd place more faith in one person's word than you would in objective, repeatable, verifiable tests?
The fact that .* is "greedy, promiscuous and ambiguous"...
That's not a fact. It's your opinion. And it's not a widely held opinion.
I'll repeat again. When designing a RegEx pattern, aim to have it parse cleanly from left to right in a single pass without any back-tracking.
So you've got repeatable and verifiable tests to back up your grandiose claims of improved performance, right? Because it seems like I'm the only one whose been fact-checking around here, and the facts don't back up your claims.