On Fri, 11 Jul 2003, Chris Santerre wrote:
>
> Usually write it like, /(f|ph)ot0|(f|ph)0to/i
>
Minor perl technicality, use the 'non rembering' version of the
grouping operator, (?: ... ). As you probably aren't going to
interpolate the match in a backreference, don't waste the CPU and
memory to 'remember' it.
Thus write your pattern as:
/(?:f|ph)ot0|(?:f|ph)0to/i
--
Dave Funk University of Iowa
<dbfunk (at) engineering.uiowa.edu> College of Engineering
319/335-5751 FAX: 319/384-0549 1256 Seamans Center
Sys_admin/Postmaster/cell_admin Iowa City, IA 52242-1527
#include <std_disclaimer.h>
Better is not better, 'standard' is better. B{
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