Michael Hutchinson wrote:
body NICE_GIRL_01 /Hello! I am (?:bored|tired) (?:today|this (?:afternoon|evening)|tonight)\./Forgive my ignorance, but what does the question mark and colon do at the start of the brackets? I have (bored|tired) in my own rules, so how does (?:bored|tired) affect the outcome?
It doesn't, but it *does* avoid a bit of a speed penalty. See Bob Proulx's message for more detail.
-kgd
