php preg_replace pattern

Question

I need a hand on my preg_replace pattern:

I want to replace the texts between brackets [] but also inside brackets and not only until the first one [.[.].....] and the same pattern but to replace only numbers inside those brackets.

any idea?

can you give an example? (Source and expected Result) but from what i guess your Case doesn't sound "regular" and by definition may not be matchable by regular expressions — Hannes
– Hannes, Commented Jan 28, 2011 at 11:20
Can you try to explain what you want a little more detailed, perhaps posting some sample input data along with expected result? — Klaus Byskov Pedersen
– Klaus Byskov Pedersen, Commented Jan 28, 2011 at 11:21

Arnaud Le Blanc · Accepted Answer · 2011-01-28 11:22:36Z

4

Try this regex:

$re = '#\[(?:.*?(?0))*.*?\]#'

This will match a [...] pair, which may itself contain one or more [...] pairs, with any characters between them. This is done by using recursion in the pattern (the (?0) calls the pattern again).

preg_match($re, '[.[.]....]', $m);
print_r($m);

// Output:
// Array
// (
//    [0] => [.[.]....]
// )

answered Jan 28, 2011 at 11:22

Arnaud Le Blanc

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