php - preg_replace between [{ and }] -


i have string : 

$string='my string [{text_001}] string [{text_002}] ';

i replace preg_replace [{something}] $something (ex : [{text_001}] -> $text_001).

i have error in preg_replace :

$string = preg_replace('/([{.+?)+(}])/i', "$1", $string);

$string = preg_replace('~\[\{(.+?)\}\]~', "\$$1", $string); # string $text_001 string $text_002

explanation example.


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