On Wed, 2009-03-18 at 22:55 +0800, Virgilio Quilario wrote:
> > 1. What is the overhead on preg_replace?
> it really depends on your operation. when you think it can be done
> using str* functions then go for it as they are much faster than preg*
> functions.
> > 2. Is there a better way to strip spaces and non alpha numerical
> > characters from text strings? I suspect not... maybe the Shadow does ???
> if those characters are in the middle, preg_replace is the right function.

Unless you know how many, it's probably the right function even if
they're at the front or end. preg_replace() is almost certainly faster
(in this particular case) than making two function calls.

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