Validates hexadecimal color codes based on the following rule set: Optionally starting with a hash. 3 or 6 characters in length. Using the [0-9a-f] character set.

Valid and Invalid emails

([!-\~]aeiou)

validator voor kenteken vb: 11-AA-BB

Matches version strings.

Replaces second to last but one characters in email with asterisks (@ and last . are protected): john.travolta@gmail.com > j*a@g**.m

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

Validates that a DNS hostname is well-formed only. You will still need to check that the overall length of the hostname, including the implied trailing "." (if not present), does not exceed 255 bytes.

Match a MasterCard with new range for 2017: 51-55 and 2221-2720 @incarnated

12.04.1975T03:02:00.88 With milliseconds and T seperator. Excludes most invalid dates, except 30/31ths of month, leap years/february heaving only 29/28.

When you copy a skype conversation and paste it in a text area then it includes timestamps, User's name and whether or not the message had been edited. This matches all of those in seperate groups for easy substitution

replace-last-comma with semicolon similar to http://stackoverflow.com/questions/3829483/how-to-replace-last-occurrence-of-characters-in-a-string-using-javascript

Regex following "ISO 8601" without hour : allowing only month 1 to 12, the day of 1 to 31 for the months of 31 days, the months from 1 to 30 for the months of 30 days, the day of 1 to 28 for February, and the day from 1 to 29 for February of leap years