Posted by Jake Gardner on 09/26/05 17:36

When using "/([0-9]*)(.*)/i" it matches
substring 1: 7005
substring 2: -N/52

When using "/([0-9]*)\/(.*)/i" it matches
substring 1:
substring 2: 52

It looks to me as though its trying to match either or subgroup in order.

On 9/26/05, Jens Schulze <jens@trickbetrueger.org> wrote:
> I recently encountered a strange behaviour, could someone please
> countercheck it, to either tell me there is an error in my pattern?
>
> I have a test string: "7005-N/52"
> I have two match patterns: a) "/([0-9]*)\/(.*)/i"
> b) "/([0-9]*)\-(.*)/i"
> I check the test string with the help of preg_match, and they both
> matched, but normally variant a) shouldn't have matched.
>
> Normally I test my patterns with the tool "The Regex Coach", and
> according to this tool it shouldn't have matched.
> PHP version is 5.0.4, PCRE extension version is 4.5 01-December-2003
>
> Thanks for any help or feedback,
> Jens
>
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