Regular Expressions 101

Group 1((http|https)\:\/\/)?

?repeats the group contents below at most once:

Group 2(http|https)

1st Alternativehttp

httpthe literal text http (case sensitive)

2nd Alternativehttps

httpsthe literal text https (case sensitive)

\:the literal : (58₁₀ / 72₈ / 3A₁₆)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

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 / (47₁₀ / 57₈ / 2F₁₆)

\?the literal ? (63₁₀ / 77₈ / 3F₁₆)

\:the literal : (58₁₀ / 72₈ / 3A₁₆)

@the literal @ (64₁₀ / 100₈ / 40₁₆)

\-the literal - (45₁₀ / 55₈ / 2D₁₆)

_the literal _ (95₁₀ / 137₈ / 5F₁₆)

=the literal = (61₁₀ / 75₈ / 3D₁₆)

#the literal # (35₁₀ / 43₈ / 23₁₆)

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

Group 3([a-zA-Z0-9\&\/\?\:@\-_=#])+

+repeats the group contents below at least once:

Character Class[a-zA-Z0-9\&\/\?\:@\-_=#]

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 & (38₁₀ / 46₈ / 26₁₆)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

\?the literal ? (63₁₀ / 77₈ / 3F₁₆)

\:the literal : (58₁₀ / 72₈ / 3A₁₆)

@the literal @ (64₁₀ / 100₈ / 40₁₆)

\-the literal - (45₁₀ / 55₈ / 2D₁₆)

_the literal _ (95₁₀ / 137₈ / 5F₁₆)

=the literal = (61₁₀ / 75₈ / 3D₁₆)

#the literal # (35₁₀ / 43₈ / 23₁₆)

Global pattern flags

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

No unit tests · Add a test to get started

Search reference

Regular Expression

((http|https)\:\/\/)?[a-zA-Z0-9\.\/\?\:@\-_=#]+\.([a-zA-Z0-9\&\/\?\:@\-_=#])+

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