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<?php function isPhoneNumber($number) { return (bool) preg_match("/^\+[0-9]{2}\.[0-9]{10}$/", $number); } var_dump(isPhoneNumber("+44.1202535689")); var_dump(isPhoneNumber("aaa+44.1202535689aa")); var_dump(isPhoneNumber("foo"));
Output for git.master, git.master_jit, rfc.property-hooks
bool(true) bool(false) bool(false)

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