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<?php $line="This is the first test.{@font-face:Garamond}"; $line=preg_replace_callback("/(?<![\]\\])\{([\w\s\\@:=\'\"-\.;^}]*)(?<!\\)\}/", function ($match){print_r($match);return 'foo';}, $line); echo $line;
Output for git.master, git.master_jit, rfc.property-hooks
Warning: preg_replace_callback(): Compilation failed: missing closing parenthesis at offset 42 in /in/cX71m on line 3

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