Regular Expressions 101

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Community Patterns

2

RGB [0;255]

PCRE (PHP <7.3)
Color RGB in shape: 255, 255, 255 ',' or ';' are accepted
Submitted by theBlueBisu - 9 years ago
2

Detect RGB/RGBA colors in CSS

PCRE2 (PHP >=7.3)
JS function to convert RGB(A) to HEX color for single values: /** @param {string} color the RGB(A) color @return {string} the HEX color */ function rgba2hex(color)...
Submitted by WinterSilence - 2 years ago
3

HSL(A) Color Matching

PCRE (PHP <7.3)
This allows for both hsl and hsla color patterns to be matched. hsla(50.5deg, .531%, .9%, 1.0) The hue can be matched without the word deg. Hue is from 0-360 Percentage allows for decimals. Percentage is from 0-100%...
Submitted by anonymous - 5 years ago
4

Validate hex color

PCRE (PHP <7.3)
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.
Submitted by Nathaniel Blackburn - 9 years ago
11

html color match: transparent, #fff, #123456, rgb, rgba, hsl, hsla

ECMAScript (JavaScript)
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...
Submitted by grouch - 10 years ago
13

CSS Color Matcher

ECMAScript (JavaScript)
Pattern matching and extracting color code formats using RegEx. https://github.com/Kyza/color-regex/
Submitted by Kyza - a year ago
1234

Community Library Entry

0

Regular Expression
ECMAScript (JavaScript)

/
(?:<([a-z]+)>(.*)<\/\1>)|((?:(?!<[a-z]+>.*<\/[a-z]+>).)+)
/
mg
Open regex in editor

Description

I use this regex for color-formatting messages

Submitted by anonymous - 5 years ago