常用js正则表达式

//手机号码验证信息       function isMobile(s) {          var patrn = /(^0{0,1}1[3|4|5|6|7|8|9][0-9]{9}$)/;          if (!patrn.exec(s)) {              return false ;          }          return true;       }        //电话号码验证信息       function isPhone(s){ var tpattern = /^((\(\d{3}\))|(\d{3}\-))?(\(0\d{2,3}\)|0\d{2,3}-)?[1-9]\d{6,7}$/;  if(s) {     if (!(tpattern.test(s))){         return false;       }   }          return true ;       }       //验证电子邮箱格式       function isEmail(str){       var reg = /^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+((\.[a-zA-Z0-9_-]{2,3}){1,2})$/;       return reg.test(str);}function setCityName() {var areaname = cityId.data().localAreaName;$("#areaname").val(areaname);}      //过滤表格元素htmlvar cellvalue = cellvalue.replace(/<[^>]*>/g,'').replace(/%/g,'')-0;//数字var reg = /^[0-9-]+$/;//邮政编码var yzbmPattern = /^[1-9]\d{5}$/;