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<?php $regex = "/^[ a-z0-9,.+!:;()-]+$/i"; $string = "some user input in a form passed via POST to form processor"; if (preg_match($regex, $string)) { echo "Found a match!"; } else { echo "The regex pattern does not match. :("; }
Output for rfc.property-hooks, git.master, git.master_jit
Found a match!

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