收集常用的正则表达式,欢迎补充。
1.匹配IP地址
function isIP(value){ return /^((25[0-5]|2[0-4][0-9]|1[0-9]{2}|[0-9]{1,2}).){3}(25[0-5]|2[0-4][0-9]|1[0-9]{2}|[0-9]{1,2})$/i.test);}
2.匹配URL
- isURL/^((http|https)://(w+:{0,1}w*@)?(S+)|)(:[0-9]+)?(/|/([w#!:.?+=&%@!-/]))?$/ 3.匹配全汉字
- isChina
/^[u4E00-u9FA3]{1,}$/ 4.匹配身份证号码
- isIDCard
/(^d{15}$)|(^d{18}$)|(^d{17}(d|X|x)$)/ 5.匹配手机号码
- isPhoneNum
/^0?(13[0-9]|15[012356789]|18[0236789]|14[57])[0-9]{8}$/ 6.匹配邮箱
- isEmail
/^((([a-z]|d|[!#$%&'*+-/=?^_`{|}~]|[u00A0-uD7FFuF900-uFDCFuFDF0-uFFEF])+(.([a-z]|d|[!#$%&'*+-/=?^_`{|}~]|[u00A0-uD7FFuF900-uFDCFuFDF0-uFFEF])+)*)|((x22)((((x20|x09)*(x0dx0a))?(x20|x09)+)?(([x01-x08x0bx0cx0e-x1fx7f]|x21|[x23-x5b]|[x5d-x7e]|[u00A0-uD7FFuF900-uFDCFuFDF0-uFFEF])|(([x01-x09x0bx0cx0d-x7f]|[u00A0-uD7FFuF900-uFDCFuFDF0-uFFEF]))))*(((x20|x09)*(x0dx0a))?(x20|x09)+)?(x22)))@((([a-z]|d|[u00A0-uD7FFuF900-uFDCFuFDF0-uFFEF])|(([a-z]|d|[u00A0-uD7FFuF900-uFDCFuFDF0-uFFEF])([a-z]|d|-|.|_|~|[u00A0-uD7FFuF900-uFDCFuFDF0-uFFEF])*([a-z]|d|[u00A0-uD7FFuF900-uFDCFuFDF0-uFFEF]))).)+(([a-z]|[u00A0-uD7FFuF900-uFDCFuFDF0-uFFEF])|(([a-z]|[u00A0-uD7FFuF900-uFDCFuFDF0-uFFEF])([a-z]|d|-|.|_|~|[u00A0-uD7FFuF900-uFDCFuFDF0-uFFEF])*([a-z]|[u00A0-uD7FFuF900-uFDCFuFDF0-uFFEF])))$/ 7.匹配数字
- isNum
/^-?(?:d+|d{1,3}(?:,d{3})+)?(?:.d+)?$/ 8.匹配日期
- isDate
!/Invalid|NaN/(new Date).toString()); 9.匹配字母和下划线开头,允许n-m字节,允许字母数字下划线
- isAccountValid
,mnvar _n = n-1 _m m;RegExp("^[a-zA-Z_][a-zA-Z0-9_]{"+_n+","_m"}$" 调用方法:
var isEmail isEmail($("#input1"val());alertisEmail);//true orfalse
以上的表达式均返回true or false。true为真,false为假。欢迎补充 (编辑:李大同)
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