正则验证手机号码

var pattern=/(^(([0\+]\d{2,3}-)?(0\d{2,3})-)(\d{7,8})(-(\d{3,}))?$)|(^0{0,1}1[3|4|5|6|7|8|9][0-9]{9}$)/;

              if(pattern.test(val)) { 
                   return true; 
             }else{ 
               return false; 
            }