| PCRE with mod rewrite
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dmwaff
msg:4230993 | 2:41 pm on Nov 16, 2010 (gmt 0) |
Anyone now if mod_rewrite engine includes an underscore with \w, like Perl, some engines don't as I understand it? I know rewrite supports the char class alnum.
\w = [a-zA-Z0-9_]
[:alnum:] = [a-zA-Z0-9]
RewriteCond %{QUERY_STRING} f=(\w+)
OR
RewriteCond %{QUERY_STRING} f=([[:alnum:]_])
I'll have time to set up a test HTTP Server later but not today, so I can't test myself. Apologizes! I hate asking questions I can get the answer to myself but I need to know today.
Cheers.
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sublime1
msg:4231030 | 4:07 pm on Nov 16, 2010 (gmt 0) |
Apache supports PCRE, however it doesn't (appear to) know about things like [:alnum:] used. I was able to use \w and \d, for example.
[httpd.apache.org...]
Tom
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jdMorgan
msg:4231676 | 10:55 pm on Nov 17, 2010 (gmt 0) |
When in doubt, use the old-style POSIX expressions for best results (and portability). Use of the [NC] flag on the RewriteCond or RewriteRule (as applicable) can make this slightly less painful, so as to avoid having to specify both upper- and lower-case ranges.
Jim
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