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<?php $value = "1234 4567 4568 4569 4560 3333AA 3334BB "; $allowedInputSeparators = array('\r\n', '\n', '\s', ',', ';', '|'); foreach($allowedInputSeparators as $separator) { echo "Testing "; var_dump($separator); if(preg_match('/' . $separator. '/', $value)) { echo $separator . PHP_EOL; } }
Output for git.master, git.master_jit, rfc.property-hooks
Testing string(4) "\r\n" Testing string(2) "\n" \n Testing string(2) "\s" \s Testing string(1) "," Testing string(1) ";" Testing string(1) "|" |

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