js 常用正则表达式

var REGEX_TPL = {};
REGEX_TPL.RORN = /(
|
)*/g;
REGEX_TPL.SPLIT = /[
|
]+/g;
REGEX_TPL.IPTEXTFIELD_BLANKREG = /S +S/;
REGEX_TPL.IPTEXTFIELD_MASKREG = /^s*".*"s*$/;
REGEX_TPL.IPTEXTFIELD_MASKREG_TWO = /^s*"[^"]{1,}"s*$/;
REGEX_TPL.IPTEXTFIELD_ALLOWLETTER = /^[a-zA-Z].*/;
REGEX_TPL.TEXTFIELD_ALLOWFIRSTLETTER = /^[a-zA-Z0-9].*/;
REGEX_TPL.COMP_RMASK = /^1+0*$/;
REGEX_TPL.COMP_RREMASK = /^0+1*$/;
REGEX_TPL.COMP_RMASK_NOTALLOWBLANK = /^1+0*$/;
REGEX_TPL.SYSTEM_INTERFACE_E1_TIMESLOT_RANGE = /^[0-9]*((,[ ]*|-)[0-9]+)*$/;
REGEX_TPL.GLOBALNBSP = / /g;
REGEX_TPL.EMAIL = /^[a-zA-Z0-9_-]+@[a-zA-Z0-9_-]+(.[a-zA-Z0-9_-]+)+$/;//邮箱验证
REGEX_TPL.CERT_NAME = /^[a-zA-Z0-9u4E00-u9FA5][a-zA-Z0-9u4E00-u9FA5-_. ]*$/;//证书名称

  

var reg=/^((ftp)|(http)|(https)|(mailto)|(file)|(ldap)|(news)|(gopher)|(telnet)):///;

  

 var re_3 = new RegExp("((?=[x21-x7e]+)[^A-Za-z0-9])");

  

htmlEncode
html.replace(/&/g, "&").replace(/>/g, ">").replace(/</g, "<").replace(/"/g, """)

  

htmlDecode
html.replace(/&/g, "&").replace(/>/g, ">").replace(/</g, "<").replace(/"/g, '"')

 

trim
html.replace(/^s+|s+$/g, "")

  

 

原文地址:https://www.cnblogs.com/sunliyuan/p/14334136.html