Regular Expressions 101

<athe literal text <a (case insensitive)

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

href=the literal text href= (case insensitive)

Character Class["']

"the literal " (34₁₀ / 42₈ / 22₁₆)

'the literal ' (39₁₀ / 47₈ / 27₁₆)

Negative Lookahead(?!\.\.)

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

Group 1([^"']+)

Negated Character Class[^"']+

+matches at least one character outside the set below:

"the literal " (34₁₀ / 42₈ / 22₁₆)

'the literal ' (39₁₀ / 47₈ / 27₁₆)

Character Class["']

"the literal " (34₁₀ / 42₈ / 22₁₆)

'the literal ' (39₁₀ / 47₈ / 27₁₆)

.*?any character (except for line terminators), repeated any number of times

>the literal > (62₁₀ / 76₈ / 3E₁₆)

Group 2(.+?)

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

<the literal < (60₁₀ / 74₈ / 3C₁₆)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

a>the literal text a> (case insensitive)

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

<a.+?href=["'](?!\.\.)([^"']+)["'].*?>(.+?)<\/a>

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