RegExp ! you know what is RegExp ??

it’s a piece of shit!!!
But we need it. Are we?
– Canis



RegExp 數字類型

[js]//select integers only
var intRegex = /[0-9 -()+]+$/;
//match any ip address
var ipRegex = ‘bd{1,3}.d{1,3}.d{1,3}.d{1,3}b’;
//match number in range 0-255
var num0to255Regex = ‘^([01][0-9][0-9]|2[0-4][0-9]|25[0-5])$’;
//match number in range 0-999
var num0to999Regex = ‘^([0-9]|[1-9][0-9]|[1-9][0-9][0-9])$’;
//match ints and floats/decimals
var floatRegex = ‘[-+]?([0-9]*.[0-9]+|[0-9]+)’;
//Match Any number from 1 to 50 inclusive
var number1to50Regex = /(^[1-9]{1}$|^[1-4]{1}[0-9]{1}$|^50$)/gm;[/js]

RegExp 認證類型

[js]//match email address
var emailRegex = ‘^[A-Z0-9._%+-]+@[A-Z0-9.-]+.[A-Z]{2,4}$’;
//match credit card numbers
var creditCardRegex = ‘^(?:4[0-9]{12}(?:[0-9]{3})?|5[1-5][0-9]{14}|6(?:011|5[0-9][0-9])[0-9]{12}|3[47][0-9]{13}|3(?:0[0-5]|[68][0-9])[0-9]{11}|(?:2131|1800|35d{3})d{11})$’;
//match username
var usernameRegex = ‘/^[a-z0-9_-]{3,16}$/’;
//match password
var passwordRegex = ‘/^[a-z0-9_-]{6,18}$/’;
//Match 8 to 15 character string with at least one upper case letter, one lower case letter, and one digit (useful for passwords).
var passwordStrengthRegex = /((?=.*d)(?=.*[a-z])(?=.*[A-Z]).{8,15})/gm;
//match elements that could contain a phone number
var phoneNumber = /[0-9-()+]{3,20}/;[/js]

RegExp 日期類型

//MatchDate (e.g. 21/3/2006)
var dateRegex = /(d{1,2}/d{1,2}/d{4})/gm;
//match date in format MM/DD/YYYY
var dateMMDDYYYRegex = ‘^(0[1-9]|1[012])[- /.](0[1-9]|[12][0-9]|3[01])[- /.](19|20)dd$’;
//match date in format DD/MM/YYYY
var dateDDMMYYYRegex = ‘^(0[1-9]|[12][0-9]|3[01])[- /.](0[1-9]|1[012])[- /.](19|20)dd$’;

RegExp URL 類型

//match a url
var urlRegex = ‘/^(https?://)?([da-z.-]+).([a-z.]{2,6})([/w .-]*)*/?$/’;
//match a url slug (letters/numbers/hypens)
var urlslugRegex = ‘/^[a-z0-9-]+$/’;[/js]

RegExp 發音字

//select vowels only
var vowelRegex = /^[aeiou]/;[/js]

RegExp 特殊字元

//select whitespace
var whiteSpaceRegex = ‘^[ t]+’;
//select whitespace and tabs
var whiteSpaceRegex = ‘^[ t]+|[ t]+$’;
//select whitespace and linebreaks
var whiteSpaceRegex = ‘[ trn]’;
//replace newline characters with <br /> tags
newLineToBr = function(str) { return str.replace(/(rn|[rn])/g, ‘<br />’); }[/js]

RegExp 網址類型

//match domain name (with HTTP)
var domainRegex = /(.*?)[^w{3}.]([a-zA-Z0-9]([a-zA-Z0-9-]{0,65}[a-zA-Z0-9])?.)+[a-zA-Z]{2,6}/igm;
//match domain name (www. only)
var domainRegex = /[^w{3}.]([a-zA-Z0-9]([a-zA-Z0-9-]{0,65}[a-zA-Z0-9])?.)+[a-zA-Z]{2,6}/igm;
//match domain name (alternative)
var domainRegex = /(.*?).(com|net|org|info|coop|int|||||)/igm;
//match sub domains: www, dev, int, stage,,
var subDomainRegex = /(http://|https://)?(www.|dev.)?(int.|stage.)?(travel.)?(.*)+?/igm;

RegExp 圖片類型

//Match jpg, gif or png image
var imageRegex = /([^s]+(?=.(jpg|gif|png)).2)/gm;
//match all images
var imgTagsRegex = /<img.+?src="(.*?)".+?>/ig;
//match just .png images

RegExp 其他有用的

//match RGB (color) string
var rgbRegex = /^rgb((d+),s*(d+),s*(d+))$/;
//match hex (color) string
var hexRegex = ‘/^#?([a-f0-9]{6}|[a-f0-9]{3})$/’;
//Match Valid hexadecimal colour code
var hexRegex = /(#?([A-Fa-f0-9]){3}(([A-Fa-f0-9]){3})?)/gm;
//match a HTML tag (v1)
var htmlTagRegex = ‘/^<([a-z]+)([^<]+)*(?:>(.*)</1>|s+/>)$/’;
//match HTML Tags (v2)
var htmlTagRegex = /(<(/?[^>]+)>)/gm;
//match /product/123456789
var productUrlRegex = ‘(/product/)?+[0-9]+’;
//Match Letters, numbers and hyphens
var lnhRegex = /([A-Za-z0-9-]+)/gm;
//match all .js includes
var jsTagsRegex = /<script.+?src="(.+?.js(?:?v=d)*).+?script>/ig;
//match all .css includes
var cssTagsRegex = /<link.+?href="(.+?.css(?:?v=d)*).+?>/ig;[/js]

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