1. if(preg_match("/^13[0-9]{1}[0-9]{8}$|15[0189]{1}[0-9]{8}$|189[0-9]{8}$/",$mobilephone)){     
2.     //验证通过     
3.           
4. }else{     
5.     //手机号码格式不对     
6.           
7. }