Re: preg_match too greedy

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Ben Dunlap wrote:
> Jim Lucas wrote:
>>> I expected 'no match' but get 'match'.
> [8<]
>> cut/paste your code and it works for me.
> 
> Works for me as well. I get 'no match' from PHP 5.1.2, 5.2.6, and 5.2.8. What
> version do you have?

PHP 5.2.5 with Suhosin-Patch 0.9.6.2 (cli) (built: Mar 11 2008 13:08:50)
Copyright (c) 1997-2007 The PHP Group
Zend Engine v2.2.0, Copyright (c) 1998-2007 Zend Technologies
  with Suhosin v0.9.20, Copyright (c) 2002-2006, by Hardened-PHP Project


> 
> If I might suggest a couple of simplifications that would make it easier to
> follow/troubleshoot:
> 
>>> $url = '/foo(/)?';
> 
> I don't think you need parentheses around your second forward-slash. If you had
> multiple characters that were optional you'd want to group them in parentheses,
> but here I think it just makes the regex harder to read.
> 
>>> echo (preg_match($pattern, $test) != false)
> 
> The " != false " here is redundant. Combined with the ternary operator, the
> logical switchbacks make me a little dizzy (especially this close to lunchtime).
> 
> Ben
> 



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