备忘篇——正则表达式集合

正则表达式经常需要用，这里做个集合，以备不时之需

只能是数字：^\d+$

只能是中文：^[ \u4e00-\u9fa5]+$

邮政编码：^\d{6}$

小数位数不能超过两位：^-?\d+(\.\d{1,2})?$

只能包括英文字母和数字：^[0-9a-zA-Z]+$

不包含特殊符号：^[\u0391-\uFFE5\w]+$

10-20位必须包含数字，字母和特殊字符：^(?=.*[\d]+)(?=.*[a-zA-Z]+)(?=.*[^a-zA-Z0-9]+).{10,20}$

身份证号码：^([1-9]\d{7}((0\d)|(1[0-2]))(([0|1|2]\d)|3[0-1])\d{3})|([1-9]\d{5}[1-9]\d{3}((0\d)|(1[0-2]))(([0|1|2]\d)|3[0-1])((\d{4})|\d{3}[A-Z]))$

手机号码：^(((13[0-9]{1})|(15[0-9]{1}))+\d{8})$

电话号码：^\d{3,4}-?\d{7,9}$

email：^\s*\w+(?:\.{0,1}[\w-]+)*@[a-zA-Z0-9]+(?:[-.][a-zA-Z0-9]+)*\.[a-zA-Z]+\s*$

域名:^(?=^.{3,255}$)[a-zA-Z0-9][-a-zA-Z0-9]{0,61}[a-zA-Z0-9](\\.[a-zA-Z0-9][-a-zA-Z0-9]{0,61}[a-zA-Z0-9])+$

不要输入空格：^[\S]*$

端口号：^([1-9]|[1-9]\\d{1,3}|[1-5]\\d{4}|([6]([0-4]\\d{3}|([5]([0-4]\\d{2}|([5]([0-2]\\d{1}|[3][0-5])))))))$

ipv4:^(\d{1,2}|1\d\d|2[0-4]\d|25[0-5])\.(\d{1,2}|1\d\d|2[0-4]\d|25[0-5])\.(\d{1,2}|1\d\d|2[0-4]\d|25[0-5])\.(\d{1,2}|1\d\d|2[0-4]\d|25[0-5])$

ipv6:^\s*((([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}|((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3})|:))|(([0-9A-Fa-f]{1,4}:){5}(((:[0-9A-Fa-f]{1,4}){1,2})|:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3})|:))|(([0-9A-Fa-f]{1,4}:){4}(((:[0-9A-Fa-f]{1,4}){1,3})|((:[0-9A-Fa-f]{1,4})?:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(([0-9A-Fa-f]{1,4}:){3}(((:[0-9A-Fa-f]{1,4}){1,4})|((:[0-9A-Fa-f]{1,4}){0,2}:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(([0-9A-Fa-f]{1,4}:){2}(((:[0-9A-Fa-f]{1,4}){1,5})|((:[0-9A-Fa-f]{1,4}){0,3}:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(([0-9A-Fa-f]{1,4}:){1}(((:[0-9A-Fa-f]{1,4}){1,6})|((:[0-9A-Fa-f]{1,4}){0,4}:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(:(((:[0-9A-Fa-f]{1,4}){1,7})|((:[0-9A-Fa-f]{1,4}){0,5}:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:)))(%.+)?\s*$

子网掩码：^((128|192)|2(24|4[08]|5[245]))(\.(0|(128|192)|2((24)|(4[08])|(5[245])))){3}$

ip段（1-255.1-255.1-255.1-255）:^(((((\d{1,2}|1\d\d|2[0-4]\d|25[0-5])-(\d{1,2}|1\d\d|2[0-4]\d|25[0-5]))|(\d{1,2}|1\d\d|2[0-4]\d|25[0-5]))\.){3}(((\d{1,2}|1\d\d|2[0-4]\d|25[0-5])-(\d{1,2}|1\d\d|2[0-4]\d|25[0-5]))|(\d{1,2}|1\d\d|2[0-4]\d|25[0-5])))$

ip/掩码:^(\d{1,2}|1\d\d|2[0-4]\d|25[0-5])\.(\d{1,2}|1\d\d|2[0-4]\d|25[0-5])\.(\d{1,2}|1\d\d|2[0-4]\d|25[0-5])\.(\d{1,2}|1\d\d|2[0-4]\d|25[0-5])(\/([1-9]|[1-2]\d|3[0-1]))?$

url：^(((ht|f)tp(s?))\\://)?([a-zA-Z0-9\\.\\-]+(\\:[a-zA-Z0-9\\.&%\\$\\-]+)*@)?((25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[1-9])\\.(25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[1-9]|0)\\.(25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[1-9]|0)\\.(25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[0-9])|([a-zA-Z0-9\\-]+\\.)*[a-zA-Z0-9\\-]+\\.[a-zA-Z]{2,4})(\\:[0-9]+)?((/|\\?)[^/][a-zA-Z0-9\\.\\,\\?\\'\\\\/\\+&%\\$\\=~_\\-@#]*)*(\/)?$

文件路径：

^([a-zA-Z]:|)([\\\\|/|\\][\u4e00-\u9fa5a-zA-Z0-9\\.\\,\\;\\?\\\'\\\\\\+&%\\$#\\=~_\\-]+)*[\\\\|/]?$

(ps:上面不保证绝对，所以下面给个参考，是我在网上看到的，对不对没验证)

windows:^[a-zA-Z]:[\\/]((?! )(?![^\\/]*\s+[\\/])[\w -]+[\\/])*(?! )(?![^.]+\s+\.)[\w -]+$ 
linux:^([\/] [\w-]+)*$