regex101: JavaScript Match Workspace

^start of line

hslthe literal text hsl (case sensitive)

Character Class[(]

(the literal ( (40₁₀ / 50₈ / 28₁₆)

\s*any whitespace character, repeated any number of times

0*the literal 0 (48₁₀ / 60₈ / 30₁₆) , repeated any number of times

Non-Capturing Group(?:[12]?\d{1,2}|3(?:[0-5]\d|60))

1st Alternative[12]?\d{1,2}

Character Class[12]?

?matches at most one character from the set below:

1the literal 1 (49₁₀ / 61₈ / 31₁₆)

2the literal 2 (50₁₀ / 62₈ / 32₁₆)

\d{1,2}a digit, repeated between 1 and 2 times

2nd Alternative3(?:[0-5]\d|60)

3the literal 3 (51₁₀ / 63₈ / 33₁₆)

Non-Capturing Group(?:[0-5]\d|60)

1st Alternative[0-5]\d

Character Class[0-5]

0-5one character from 0 (48₁₀) to 5 (53₁₀)

\da digit

2nd Alternative60

60the literal text 60

\s*any whitespace character, repeated any number of times

Non-Capturing Group(?:\s*,\s*0*(?:\d\d?(?:\.\d+)?\s*%|\.\d+\s*%|100(?:\.0*)?\s*%)){2}

{2}repeats the group contents below exactly 2 times:

\s*any whitespace character, repeated any number of times

,the literal , (44₁₀ / 54₈ / 2C₁₆)

\s*any whitespace character, repeated any number of times

0*the literal 0 (48₁₀ / 60₈ / 30₁₆) , repeated any number of times

Non-Capturing Group(?:\d\d?(?:\.\d+)?\s*%|\.\d+\s*%|100(?:\.0*)?\s*%)

1st Alternative\d\d?(?:\.\d+)?\s*%

\da digit

\d?optionally matches a digit

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

?repeats the group contents below at most once:

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

\d+a digit, repeated at least once

\s*any whitespace character, repeated any number of times

%the literal % (37₁₀ / 45₈ / 25₁₆)

2nd Alternative\.\d+\s*%

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

\d+a digit, repeated at least once

\s*any whitespace character, repeated any number of times

%the literal % (37₁₀ / 45₈ / 25₁₆)

3rd Alternative100(?:\.0*)?\s*%

100the literal text 100

Non-Capturing Group(?:\.0*)?

?repeats the group contents below at most once:

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

0*the literal 0 (48₁₀ / 60₈ / 30₁₆) , repeated any number of times

\s*any whitespace character, repeated any number of times

%the literal % (37₁₀ / 45₈ / 25₁₆)

\s*any whitespace character, repeated any number of times

Character Class[)]

)the literal ) (41₁₀ / 51₈ / 29₁₆)

$end of line

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

Search reference

Regular Expression

^hsl[(]\s*0*(?:[12]?\d{1,2}|3(?:[0-5]\d|60))\s*(?:\s*,\s*0*(?:\d\d?(?:\.\d+)?\s*%|\.\d+\s*%|100(?:\.0*)?\s*%)){2}\s*[)]$

Unit Tests

There are no unit tests, click to add some.