Regular Expressions 101

This regex matches only when all the following are true: password must contain 1 number (0-9) password must contain 1 uppercase letters password must contain 1 lowercase letters password must contain 1 non-alpha numeric number password is 8-16 characters with no space

Pattern matching and extracting color code formats using RegEx. https://github.com/Kyza/color-regex/

Matches all valid IP addresses from 0.0.0.0 to 255.255.255.255

RegEx email /^((?!\.)[\w-_.]*)(@\w+)(\.\w+(\.\w+)?)$/gim; Just playing with Reg Ex. This to validate emails in following ways The email couldn't start or finish with a dot The email shouldn't contain spaces into the string The email shouldn't contain special chars ( mailname@domain.com First group takes the first string with the name of email \$1 => (mailname) Second group takes the @ plus the domain: \$2 => (@domain) Third group takes the last part after the domain : \$3 => (.com)

Allows inserting expiry date as MM/YYYY or MM-YYYY format

it detects among us references among us aming us mongus amogus sus suspect was not the impostor no imposters remain 3 impostors remain

Extracts values of the form £nnn,nnn.nn or $nnn.nnn from text

used to parse timezone in the format -08:00 or +05:30

Detects most of the phone numbers all over the world

The secret of the Twitterverse.

extract video id, index, play list id from youtube url

Checks that a password has a minimum of 6 characters, at least 1 uppercase letter, 1 lowercase letter, and 1 number with no spaces.

YourLink - not found AnotherLink - found

This regex validates varying types of telephone numbers.

This is a JavaScript port of the URL regex from http://stackoverflow.com/a/190405/384062 that includes a bug fix and some optimization. Mathias Bynens's Regenerate was used to convert unicode escapes. Bug fix: Eliminated stray | falsely allowing querystring to contain | Optimization: Merged alternated character classes in querystring and fragment identifier portions for better performance.

Select a character (or string) ingnoring if that element is inside the HTML tags. Useful to apply html tags using replace.

Matches text within quotes (", ') and escapes the charecters.

Trim leading and trailing whitespace from a string.

Attempts to mimic Google search box behavior, returning an array with the separated search strings (that keep the +/- indicator for following operations)

This may be useful or not to test whether a given string is a valid (more or less) html color value. It matches color values such as: #123 - short hex color value #123456 - hex color value rgb(255,255,0) - rgb color value rgba(255,255,0,1.0) - rgba color value hsl(360,100%,100%) - hsl color value hsla(360,100%,100%,0.5334) - hsla color value Regex allows whitespaces between i.e. rgb and (, also between numbers and commas, but not in value like 55% between number and percentage. To change this behaviour simply remove \s*? from appriopriate places.

Funciona para campos decimais para moeda nacional brasileira. Aceita números inteiros, separação por milhar e a separação decimal.

matches both function declarations and expressions in javascript. ex. function name () {...} || function () {}

Finds Typescript's reference path syntax.

Email address, most used cases

Matches ISO 8601 date formats

CheckEmail Login start or end simbols ._- ] .login@domain.com - fail -login@domain.com - fail _login@domain.com - fail login.@domain.com - fail login-@domain.com - fail login_@domain.com - fail Login double simbol [._-] login..name@domain.com - fail login--name@domain.com - fail login__name@domain.com - fail login_-name@domain.com - fail login_.name@domain.com - fail Domain start or end simbol [.-] login@-domain.com - fail login@.domain.com - fail login@domain.com. - fail Domain not march simbol [_] login@dom_ain.com - fail Domain double simbol [.-] login@domain..com - fail login@domain--domain2.com - fail Big subdomain login@dom1.dom2.dom-3.dom-4.com - good Domain end two or more simbol login@domain.c - fail login@domain.ru - good Login or domain can contain numbers 123login456@123domain456.com - good var reg = /^([a-z0-9]+(?:[._-+))@(a-z0-9]+(?:[.-+)\.[a-z]{2,})$/i var result = reg.exec("login@domain.com"); //['login@domain.com', 'login', 'domain.com'];

extract video id, index, play list id from youtube URL

A simple RegEx rule which should validate redirect_uri for oAuth2

Matches case insensitive first name, optional unlimited number of middle names and last name separated with space format. Replaced \w with explicit char range for Turkish support. (Äž accepted as first char not to over complex)

Find " and ' quoted strings and "orphaned"/single words in a string

general purpose HTTP URL regex

Safe Password that allow only with a number, a lowercase, a uppercase, and a special character

Allows phone numbers with optional country code, optional special characters and whitespace

Validate North American phone numbers with capture groups for the Area Code, Exchange Code, Line Number, and Extension.

Regular expression for password validation Rules: 8-120 chars no spaces must contain at least one a-z char must contain at least one A-Z char must contain at least one digit must contain at least one of the folowing chars: !@#$%^&*()-=¡£_+`~.,/?;:'\"|[]{}

search any word with an accent

Extract resource location, name and query parameters from a URL (JavaScript version)

In order to neasting parsing work you need to run this regex multiple times on same target.