よく使用される正規表現のコレクション example_正規表現

var  reg1 = /^\d{4}(\-|\/|\.)\d{1,2}\1\d{1,2}$/;
var  reg2 = /^(^(\d{4}|\d{2})(\-|\/|\.)\d{1,2}\3\d{1,2}$)|(^\d{4}年\d{1,2}月\d{1,2}日$)$/;

var  reg = /^(?=.*\\d)(?=.*[a-z])(?=.*[A-Z]).{8,10}$/;

var  reg = /^[\\u4e00-\\u9fa5]{0,}$/;

var reg = /^\\w+$/;

var  reg = 
/[\\w!#$%&'*+/=?^_`{|}~-]+(?:\\.[\\w!#$%&'*+/=?^_`{|}~-]+)*@(?:[\\w](?:[\\w-]*[\\w])?\\.)+[\\w](?:[\\w-]*[\\w])?/;

15位： var reg = /^[1-9]\\d{7}((0\\d)|(1[0-2]))(([0|1|2]\\d)|3[0-1])\\d{3}$/;
18位：var  reg = /^[1-9]\\d{5}[1-9]\\d{3}((0\\d)|(1[0-2]))(([0|1|2]\\d)|3[0-1])\\d{3}([0-9]|X)$/;

var reg = 
/^(?:(?!0000)[0-9]{4}-(?:(?:0[1-9]|1[0-2])-(?:0[1-9]|1[0-9]|2[0-8])|(?:0[13-9]|1[0-2])-(?:29|30)|(?:0[13578]|1[02])-31)|(?:[0-9]{2}(?:0[48]|[2468][048]|[13579][26])|(?:0[48]|[2468][048]|[13579][26])00)-02-29)$/;

var  reg = /^[0-9]+(.[0-9]{2})?$/;

var reg = /^(13[0-9]|14[5|7]|15[0|1|2|3|5|6|7|8|9]|18[0|1|2|3|5|6|7|8|9])\\d{8}$/;

var  reg = /^.*MSIE [5-8](?:\\.[0-9]+)?(?!.*Trident\\\/[5-9]\\.0).*$/;

var  reg = 
/\\b(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\\.){3}(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\\b/;

var reg = 
/(([0-9a-fA-F]{1,4}:){7,7}[0-9a-fA-F]{1,4}|([0-9a-fA-F]{1,4}:){1,7}:|([0-9a-fA-F]{1,4}:){1,6}:[0-9a-fA-F]{1,4}|([0-9a-fA-F]{1,4}:){1,5}(:[0-9a-fA-F]{1,4}){1,2}|([0-9a-fA-F]{1,4}:){1,4}(:[0-9a-fA-F]{1,4}){1,3}|([0-9a-fA-F]{1,4}:){1,3}(:[0-9a-fA-F]{1,4}){1,4}|([0-9a-fA-F]{1,4}:){1,2}(:[0-9a-fA-F]{1,4}){1,5}|[0-9a-fA-F]{1,4}:((:[0-9a-fA-F]{1,4}){1,6})|:((:[0-9a-fA-F]{1,4}){1,7}|:)|fe80:(:[0-9a-fA-F]{0,4}){0,4}%[0-9a-zA-Z]{1,}|::(ffff(:0{1,4}){0,1}:){0,1}((25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])\\.){3,3}(25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])|([0-9a-fA-F]{1,4}:){1,4}:((25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])\\.){3,3}(25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9]))/
;

if
 (!s.match(
/^[a-zA-Z]+:\/\//
)) {
  s = 
'http://'
 + s;
}

var reg = /^(f|ht){1}(tp|tps):\/\/([\w-]+\.)+[\w-]+(\/[\w- ./?%&=]*)?/;

var reg = /^([a-zA-Z]\\:|\\\\)\\\\([^\\]+\\)*[^\\/:*?"<>|]+\\.txt(l)?$/;

var  reg = /^#([A-Fa-f0-9]{6}|[A-Fa-f0-9]{3})$/;

var reg = /\\< *[img][^\\>]*[src] *= *[\\"\&#39;]{0,1}([^\\"\&#39;\ >]*)/;

var reg = 
/(<a\\s*(?!.*\\brel=)[^>]*)(href="https?:\/\/)((?!(?:(?:www\\.)?&#39;.implode(&#39;|(?:www\\.)?&#39;, $follow_list).&#39;))[^" rel="external nofollow" ]+)"((?!.*\\brel=)[^>]*)(?:[^>]*)>/;

var reg = /^\\s*[a-zA-Z\\-]+\\s*[:]{1}\\s[a-zA-Z0-9\\s.#]+[;]{1}/;

var reg = /<!--(.*?)-->/;