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run code in 300+ PHP versions simultaneously
<?php $str = 'Magna adipisicing veniam est amet labore do mollit deserunt esse. Ipsum minim sit [[consectetur qui consequat]] elit id irure. Occaecat magna do voluptate commodo veniam nulla adipisicing.'; $pattern = '~(?: \G (?!\A) | \[\[ (?= [^]]* ]] ) ) \s* \K [^]\s]~x'; $result = preg_replace($pattern, '*', $str); echo $result;
Output for git.master, git.master_jit, rfc.property-hooks
Magna adipisicing veniam est amet labore do mollit deserunt esse. Ipsum minim sit [[*********** *** *********]] elit id irure. Occaecat magna do voluptate commodo veniam nulla adipisicing.

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