regex101: PCRE2 (PHP) Match Workspace

Explanation

Pro

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

gistthe literal text gist (case sensitive)

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

githubthe literal text github (case sensitive)

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

comthe literal text com (case sensitive)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

Group 1([a-zA-Z0-9]+)

Character Class[a-zA-Z0-9]+

+matches at least one character from the set below:

a-zone character from a (97₁₀) to z (122₁₀) (case sensitive)

A-Zone character from A (65₁₀) to Z (90₁₀) (case sensitive)

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

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

Group 2([a-zA-Z0-9]+)

Character Class[a-zA-Z0-9]+

+matches at least one character from the set below:

a-zone character from a (97₁₀) to z (122₁₀) (case sensitive)

A-Zone character from A (65₁₀) to Z (90₁₀) (case sensitive)

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

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

jsthe literal text js (case sensitive)

Group 3(\?file=([a-zA-Z0-9.]+))?

?repeats the group contents below at most once:

\?the literal ? (63₁₀ / 77₈ / 3F₁₆)

file=the literal text file= (case sensitive)

Group 4([a-zA-Z0-9.]+)

Character Class[a-zA-Z0-9.]+

+matches at least one character from the set below:

a-zone character from a (97₁₀) to z (122₁₀) (case sensitive)

A-Zone character from A (65₁₀) to Z (90₁₀) (case sensitive)

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

.the literal . (46₁₀ / 56₈ / 2E₁₆)

"><the literal text "><

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

script>the literal text script> (case sensitive)

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

Quick Reference

25 tokens

Regular Expression

<script src="https:\/\/gist\.github\.com\/([a-zA-Z0-9]+)\/([a-zA-Z0-9]+)\.js(\?file=([a-zA-Z0-9.]+))?"><\/script>

// not work without.js
<script src="https://gist.github.com/name/id"></script>

// this work as expected
<script src="https://gist.github.com/name/id.js"></script>

// support also ?file=filename
<script src="https://gist.github.com/name/id.js?file=filename.ext"></script>