Regular Expressions 101

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

?repeats the group contents below at most once:

\.?optionally matches the literal . (46₁₀ / 56₈ / 2E₁₆)

\/?optionally matches the literal / (47₁₀ / 57₈ / 2F₁₆)

.+any character (except for line terminators), repeated at least once

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

Non-Capturing Group(?:app(?:[0-9A-F]+)?|(?:jquery|angular|three)(?:\-?\d[\-\.]\d[\-\.]\d)?)

1st Alternativeapp(?:[0-9A-F]+)?

appthe literal text app (case insensitive)

Non-Capturing Group(?:[0-9A-F]+)?

?repeats the group contents below at most once:

Character Class[0-9A-F]+

+matches at least one character from the set below:

0-9one character from 0 (48₁₀) to 9 (57₁₀)

A-Fone character from A (65₁₀) to F (70₁₀) (case insensitive)

2nd Alternative(?:jquery|angular|three)(?:\-?\d[\-\.]\d[\-\.]\d)?

Non-Capturing Group(?:jquery|angular|three)

1st Alternativejquery

jquerythe literal text jquery (case insensitive)

2nd Alternativeangular

angularthe literal text angular (case insensitive)

3rd Alternativethree

threethe literal text three (case insensitive)

Non-Capturing Group(?:\-?\d[\-\.]\d[\-\.]\d)?

?repeats the group contents below at most once:

\-?optionally matches the literal - (45₁₀ / 55₈ / 2D₁₆)

\da digit

Character Class[\-\.]

\-the literal - (45₁₀ / 55₈ / 2D₁₆)

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

\da digit

Character Class[\-\.]

\-the literal - (45₁₀ / 55₈ / 2D₁₆)

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

\da digit

Non-Capturing Group(?:\.min)?

?repeats the group contents below at most once:

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

minthe literal text min (case insensitive)

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

jsthe literal text js (case insensitive)

$end of line

Global pattern flags

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

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

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

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Search reference

Regular Expression

(?:\.?\/?.+\/)?(?:app(?:[0-9A-F]+)?|(?:jquery|angular|three)(?:\-?\d[\-\.]\d[\-\.]\d)?)(?:\.min)?\.js$

Unit Tests

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