PHP preg_match函数的用法 不是很清楚if(preg_match("/\d{17}[\d|X]|\d{15}/",$user_number,$counts)){ \x09 if(preg_match("/^(\d{3}-)(\d{8})$|^(\d{4}-)(\d{7})$|^(\d{4}-)(\d{8})$|^(\d{11})$/",$user_tel,$countes)){ 这两个$counts和$countes怎么

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