Regular Expressions 101

Order By

Sponsors
There are currently no sponsors. Become a sponsor today!

Community Patterns

1

Match Hexadecimal Color with Optional Alpha

PCRE2 (PHP >=7.3)
theunjob.com
Submitted by anonymous - a year ago
1

Match Valid HTML5 Color Names

PCRE2 (PHP >=7.3)
RascalJournal.com
Submitted by anonymous - a year ago
1

nmcli WiFi list

PCRE2 (PHP >=7.3)
Extract different fields from the list output of nmcli: nmcli --terse --colors no --fields IN-USE,BSSID,SSID,MODE,CHAN,RATE,SIGNAL,BARS,SECURITY,FREQ,DEVICE device wifi list
Submitted by Simon Bagley - 2 years ago (Last modified 2 years ago)
1

match hex colors

PCRE2 (PHP >=7.3)
Match hex colors with PCRE2
Submitted by anonymous - 2 years ago
1

JavaScript number/bigint literals

ECMAScript (JavaScript)
Should match any valid JavaScript number/bigint literal. See this StackOverflow answer by me for matching JS numbers. open in regex101 editor - example matches and unit tests\ Regulex%7C%5BoO%5D%5B0-7%5D(%3F%3A_%3F%5B0-7%5D%2B)%7C%5B0-7%5D%2B%7C%5BxX%5D%5B0-9a-fA-F%5D(%3F%3A_%3F%5B0-9a-fA-F%5D%2B)...
Submitted by MAZ01001 - 2 years ago (Last modified 3 months ago)
1

Valid HTML Tag Pattern

PCRE2 (PHP >=7.3)
Valid HTML Tag Pattern Which HTML tags are considered invalid: Tags ending with a different tag than what it started. Example: Hello Tags with open attributes (or closed with a different type of quote). Examples: Hello or Hello Which HTML tags are considered valid: Tags ending with the same tag...
Submitted by Ninja - a year ago (Last modified a year ago)
1

Hexadecimal Color Code Validation

PCRE2 (PHP >=7.3)
murdochleaks.org
Submitted by anonymous - a year ago
0

Find color

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 11 years ago
1

RGB colors

PCRE (PHP <7.3)
Matches all the RGB colors in the format #RRGGBB and #RGB
Submitted by Gabriel Hautclocq - 10 years ago
1

RGBA color values and opacity matcher

ECMAScript (JavaScript)
Regex to match R-G-B and Opacity with/without "," and even RGBA text It will match rgba(x,x,x,x.x) rgba (x x X x.x) x,x,x,x.x x x x x.x...
Submitted by Maulik Soni - 10 years ago
-1

Street, City, State|State Code, Zip

PCRE (PHP <7.3)
Matches the following format of US address: Street, City, State|State Code, Zip Example: 765757 North Nevada Avenue, Colorado Springs, CO, 80918
Submitted by Chandan Kumar Sinha - 10 years ago
1

RGBA [0;255]

PCRE (PHP <7.3)
Color RGBA in shape : 255, 255, 255, 255 ',' or ';' are accepted
Submitted by theBlueBisu - 10 years ago
1

CSS3 color expressions

PCRE (PHP <7.3)
Up to spec as of 2016-03-16. You can choose whether to enforce industry-standard casing for keywords via the "i" flag, which is enabled by default. Note that both "currentcolor" and "currentColor" are common; the relevant spec uses "currentColor", but several browsers prefer "currentcolor".
Submitted by Paul Buonopane @ NamePros - 9 years ago
1

Regex to Match Valid Hex Color Values in CSS

Python
no description available
Submitted by Prayash Mohapatra - 9 years ago
1

Check if string matches a valid CSS color (hex, rgb, rgba, hsl, hsla)

ECMAScript (JavaScript)
no description available
Submitted by Ioannis Potouridis - 7 years ago
1

color-price-count

PCRE (PHP <7.3)
no description available
Submitted by By me - 8 years ago
1

Find CSS hexadecimal color values

ECMAScript (JavaScript)
no description available
Submitted by anonymous - 7 years ago
0

Match color string

PCRE2 (PHP >=7.3)
Match color string
Submitted by EZ - 3 years ago
0

Hex Color Code

Python
A solution of this test from HackerRank https://www.hackerrank.com/challenges/hex-color-code/problem
Submitted by anonymous - 4 years ago
0

Dim Colors

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 7 years ago
1234