前言
记录些常用的正则表达式
方便日后使用

限制数字和字母

1
var reg = /^[0-9a-zA-Z]+$/

手机号码

1
var reg = /^((13[0-9])|(14[5|7])|(15([0-3]|[5-9]))|(17([0-9]))|(18[0,5-9]))\d{8}$/

车牌号

1
var reg = /^[京津沪渝冀豫云辽黑湘皖鲁新苏浙赣鄂桂甘晋蒙陕吉闽贵粤青藏川宁琼使领A-Z]{1}[A-Z]{1}[A-Z0-9]{4}[A-Z0-9挂学警港澳]{1}$/

身份证号码

1
var reg = /(^[1-9]\d{5}(18|19|([23]\d))\d{2}((0[1-9])|(10|11|12))(([0-2][1-9])|10|20|30|31)\d{3}[0-9Xx]$)|(^[1-9]\d{5}\d{2}((0[1-9])|(10|11|12))(([0-2][1-9])|10|20|30|31)\d{2}$)/

IPv4地址

1
var reg = /^(25[0-5]|2[0-4]\d|[01]?\d\d?)\.(25[0-5]|2[0-4]\d|[01]?\d\d?)\.(25[0-5]|2[0-4]\d|[01]?\d\d?)\.(25[0-5]|2[0-4]\d|[01]?\d\d?)$/i

IPv6地址

1
var reg = /^((([0-9A-Fa-f]{1,4}:){7}[0-9A-Fa-f]{1,4})|(([0-9A-Fa-f]{1,4}:){6}:[0-9A-Fa-f]{1,4})|(([0-9A-Fa-f]{1,4}:){5}:([0-9A-Fa-f]{1,4}:)?[0-9A-Fa-f]{1,4})|(([0-9A-Fa-f]{1,4}:){4}:([0-9A-Fa-f]{1,4}:){0,2}[0-9A-Fa-f]{1,4})|(([0-9A-Fa-f]{1,4}:){3}:([0-9A-Fa-f]{1,4}:){0,3}[0-9A-Fa-f]{1,4})|(([0-9A-Fa-f]{1,4}:){2}:([0-9A-Fa-f]{1,4}:){0,4}[0-9A-Fa-f]{1,4})|(([0-9A-Fa-f]{1,4}:){6}((\b((25[0-5])|(1\d{2})|(2[0-4]\d)|(\d{1,2}))\b)\.){3}(\b((25[0-5])|(1\d{2})|(2[0-4]\d)|(\d{1,2}))\b))|(([0-9A-Fa-f]{1,4}:){0,5}:((\b((25[0-5])|(1\d{2})|(2[0-4]\d)|(\d{1,2}))\b)\.){3}(\b((25[0-5])|(1\d{2})|(2[0-4]\d)|(\d{1,2}))\b))|(::([0-9A-Fa-f]{1,4}:){0,5}((\b((25[0-5])|(1\d{2})|(2[0-4]\d)|(\d{1,2}))\b)\.){3}(\b((25[0-5])|(1\d{2})|(2[0-4]\d)|(\d{1,2}))\b))|([0-9A-Fa-f]{1,4}::([0-9A-Fa-f]{1,4}:){0,5}[0-9A-Fa-f]{1,4})|(::([0-9A-Fa-f]{1,4}:){0,6}[0-9A-Fa-f]{1,4})|(([0-9A-Fa-f]{1,4}:){1,7}:))$/i

中文字符

1
var reg = /^[\\u4E00-\\u9FFF]+$/

双字节字符(包括汉字在内)

1
var reg = /^[^\\x00-\\xff]+$/

整数

1
var reg = /^((\-?[0-9]*)|(\+?[0-9]*))$/

正整数

1
var reg = //^\+?[1-9][0-9]*$//

任意自然数及其负数

1
var reg = /^((\-?[0-9]*)|(\+?[0-9]*))$/

浮点数

1
var reg = /^(-?\d+)(\.\d+)?$/

传真号码

1
var reg = /^(\d{3,4}-)?\d{7,8}$/

金额decimal(8,2)

1
var reg = /^([1-9][0-9]{0,7}\.?[0-9]{0,2}|0\.[0-9]{0,2}|0)$/

2位小时+2位分钟的时间值，例如0744

1
var reg = /^(2[0-3]|[0-1]\d)([0-5]\d)$/

最后推荐一个正则图形化网站：regexper