At 11/20/2006 03:12 PM, Richard Lynch wrote:
. means *ANY* character, unless you escape it for PCRE
\. is what PCRE needs.
...
'/[A-Z0-9\\'\\.& _-]/i'
No, this is incorrect. In a character class definition, "." is the
period character, not the 'any' metacharacter. It doesn't break
regexp to unnecessarily escape characters as in [\.], but let's not
give people the impression that it's required.
In a character class the only characters you need to escape are:
\ the escape character itself
^ the negate symbol, but only if it's in the first position
] the close-bracket, unless it's in the first position
- the range indicator, unless it's in the first or last position
See my posting to this thread of 11-17:
http://marc.theaimsgroup.com/?l=php-general&m=116374098719827&w=2
Here's the relevant section from the PCRE Pattern Syntax documentation:
http://php.net/manual/en/reference.pcre.pattern.syntax.php#regexp.reference.squarebrackets
Regards,
Paul
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