Captures all fields from a CSV file's line. Can be customized with user-defined field separator and protecting character.

Matches distorted email addresses and converts them back to real ones.

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

Trim leading and trailing whitespace from a string.

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...

Checks for valid UK/British postcodes. There was another on here that had for some reason been upvoted, but it was actually incorrect as it worked on none of my valid own postcodes! Namely that it assumed two letters and a number (BS3) when you can have variations (M20). Allows for an optional spac...

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

Finds the outermost pair of parentheses. Compatible with any amount of nesting

Handles commands like in CMD

Match nth occurence of the patterns in the inner parenthesis. Put nth that you want to match in the curly braces (here, {3}).

Text output produced by reading the QR code present on patient stickers created by Epic (R) medical record software

This regex matches against season and series names

Finds Typescript's reference path syntax.

Usage: "40%".replace(/\b([\d\.]+)mkb%/ig, '$1')

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.