Trim leading and trailing whitespace from a string.

Detects most of the phone numbers all over the world

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

Email address, most used cases

A neat regex for finding out whether a given torrent name is a series or a movie. Returns the full name of the series with the separator needed to make it pretty (ie, replace it with space or what you want). Also returns the season number or the year for the movie/series, depending on what was previously matched.

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

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

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

general purpose HTTP URL regex

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

Besides leap year handling, this takes care of date validation in the yy-mm-dd format.

matches: + example: +52 33 3884 7720 +1 770 343 5788

This is simplified from my last submission.

Verifies Number is a negative/positive number. Number may be a decimal, but if it is, it requires at least one number before and after the decimal place. Decimal numbers may also be negative or positive. Only 1 decimal place is allowed.

Simple name matching Matches english names only, you may add international characters to list of characters.

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)

Replace non-ending string \n by the HTML tag

matches full if condition statment eg: if(condition){ ... } else if(condition){ ... }else{ ... }

Removes all of the puncutation present inlcuding \n,\t,\r

main symbols and comments are supported

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

Use this Regex for server-side validation also with some slight modifications like so for .NET -- @\w+(-+.']\w+)@\w+([-.]\w+)\.[a-zA-Z0-9]{2,6}([-.{2,6})*;

The secret of the Twitterverse.

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

For float type inputs.

Only captures value for converting percentage to decimal. Returns empty if percentage but no value. no match = no percentage found

Matches all valid, current UK Postcodes, including Girobank and non-geographic postcodes, irrespective of whether they contain a space. It does not include overseas territories. Adapted from the BS7666 postcode rules at http://www.cabinetoffice.gov.uk/govtalk/schemasstandards/e-gif/datastandards/address/postcode.aspx

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.

Date Validation with leap year handling, & it takes care of date validation in the format like :mm/dd/yyyy or mmddyyyy or mm-dd-yyyy or m/d/yyyy or m-d-yyyy. 12/01/1986 02/29/2016 02/29/2015 13/31/1986 12/31/1980 1/32/2015 1/31/2015 01012016 01/01/2016 1/1/2016 1/1/16 01/01/16 01-01-2016 1-1-2016 1-1-16 01-01-16

a mac address separated by dashes or colons.

Accepts all positive numbers above 0. Accepts numbers with leading zeroes e.g.: 0123, 00123.

Parse decimal numbers with optional thousands and/or decimal separator. #i18n #l11n #international

Capture src attribute of HTML image tags

Credit: https://gist.github.com/FinalAngel/1876898

cheking full name e.g. Mathias d'Arras Martin Luther King, Jr. Hector Sausage-Hausen

fjk@1Qaa$

The way I like it formatted

Awesome explanation of nested lookbacks

Grabs all HTML tags

email that accepts the plus (+) symbol