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<?php function get_numerics ($str) { preg_match('/^mom_(\d+)$/', $str, $matches); if (defined($matches[1])) return $matches[1] . "<br />"; else return "Not found <br />"; } $one = 'mom_5'; $two = 'mom_123'; $three = 'actions'; print_r(get_numerics($one)); print_r(get_numerics($two)); print_r(get_numerics($three));
Output for git.master, git.master_jit, rfc.property-hooks
Not found <br />Not found <br /> Warning: Undefined array key 1 in /in/SCXGE on line 5 Deprecated: defined(): Passing null to parameter #1 ($constant_name) of type string is deprecated in /in/SCXGE on line 5 Not found <br />

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