Regular Expressions 101

Pro

Group 1(rgba?$(?:\d{1,3}[,$]){3}(?:\d+\.\d+\))?)

rgbthe literal text rgb (case insensitive)

a?optionally matches the literal a (97₁₀ / 141₈ / 61₁₆) (case insensitive)

\(the literal ( (40₁₀ / 50₈ / 28₁₆)

Non-Capturing Group(?:\d{1,3}[,\)]){3}

{3}repeats the group contents below exactly 3 times:

\d{1,3}a digit, repeated between 1 and 3 times

Character Class[,\)]

,the literal , (44₁₀ / 54₈ / 2C₁₆)

\)the literal ) (41₁₀ / 51₈ / 29₁₆)

Non-Capturing Group(?:\d+\.\d+\))?

?repeats the group contents below at most once:

\d+a digit, repeated at least once

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

\d+a digit, repeated at least once

\)the literal ) (41₁₀ / 51₈ / 29₁₆)

Global pattern flags

g modifier: global. Finds all matches instead of stopping after the first

m modifier: multiline. Causes ^ and $ to match the start and end of each line, not only the start and end of the string

i modifier: insensitive. Matches without distinguishing uppercase and lowercase letters

Detailed match information will be displayed here automatically.

26 tokens

(rgba?\((?:\d{1,3}[,\)]){3}(?:\d+\.\d+\))?)

New

linear-gradient(to bottom,rgba(255,0,0,0.4) 0,rgb(0,230,175) 100%);

linear-gradient(to bottom,rgba(255,0,0,0.4) 0,rgb(0,230,175) 100%);