常用正则表达式

1.电话号码

/^(\d{3,4}-?)?\d{7,9}$/g

2.手机号码

/^(((13[0-9]{1})|(15[0-35-9]{1})|(17[0-9]{1})|(18[0-9]{1}))+\d{8})$/

3.身份证

15位: /^(\d{6})()?(\d{2})(\d{2})(\d{2})(\d{2})(\w)$/
18位：/^(\d{6})()?(\d{4})(\d{2})(\d{2})(\d{3})(\w)$/

4.邮箱

/^[_a-zA-Z0-9\-\.]+@([\-_a-zA-Z0-9]+\.)+[a-zA-Z0-9]{2,3}$/

5.邮编

/^[0-9]{6}$/

6.IP地址

/^(([1-9]|([1-9]\d)|(1\d\d)|(2([0-4]\d|5[0-5])))\.)(([1-9]|([1-9]\d)|(1\d\d)|(2([0-4]\d|5[0-5])))\.){2}([1-9]|([1-9]\d)|(1\d\d)|(2([0-4]\d|5[0-5])))$/