Regular Expressions 101

:the literal : (58₁₀ / 72₈ / 3A₁₆)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

Negative Lookahead(?!(.+\.)?(meinedomaineins\.de|meinedomainzwei\.de))

Group 1(.+\.)?

?repeats the group contents below at most once:

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

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

Group 2(meinedomaineins\.de|meinedomainzwei\.de)

1st Alternativemeinedomaineins\.de

meinedomaineinsthe literal text meinedomaineins (case sensitive)

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

dethe literal text de (case sensitive)

2nd Alternativemeinedomainzwei\.de

meinedomainzweithe literal text meinedomainzwei (case sensitive)

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

dethe literal text de (case sensitive)

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

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

phpthe literal text php (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

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Search reference

Regular Expression

:\/\/(?!(.+\.)?(meinedomaineins\.de|meinedomainzwei\.de)).+\.php

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