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<?php $tokens = [ ':rr'=>5, ':tipo'=>'\[A-Z]' ]; $regex = '/#([a-zA-z0-9_]+)(:[a-zA-Z]+)/'; $pattern = '#nombre:tipo'; echo preg_replace($regex, "(?<$1>".$tokens[${2}].")", $pattern);
Output for git.master, git.master_jit, rfc.property-hooks
Warning: Undefined variable $2 in /in/VV8tQ on line 13 Warning: Undefined array key "" in /in/VV8tQ on line 13 (?<nombre>)

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