Regular Expressions 101

Explanation
Pro

-the literal - (45₁₀ / 55₈ / 2D₁₆)

Group 1(src\s*=\s*['\"]|href\s*=\s*['\"])

1st Alternativesrc\s*=\s*['\"]

srcthe literal text src (case sensitive)

\s*any whitespace character, repeated any number of times

=the literal = (61₁₀ / 75₈ / 3D₁₆)

\s*any whitespace character, repeated any number of times

Character Class['\"]

'the literal ' (39₁₀ / 47₈ / 27₁₆)

\"the literal " (34₁₀ / 42₈ / 22₁₆)

2nd Alternativehref\s*=\s*['\"]

hrefthe literal text href (case sensitive)

\s*any whitespace character, repeated any number of times

=the literal = (61₁₀ / 75₈ / 3D₁₆)

\s*any whitespace character, repeated any number of times

Character Class['\"]

'the literal ' (39₁₀ / 47₈ / 27₁₆)

\"the literal " (34₁₀ / 42₈ / 22₁₆)

Group 2(((?!'|\"|http:\/\/|https:\/\/|\/\/).)*)

Group 3((?!'|\"|http:\/\/|https:\/\/|\/\/).)*

*repeats the group contents below any number of times:

Negative Lookahead(?!'|\"|http:\/\/|https:\/\/|\/\/)

1st Alternative'

'the literal ' (39₁₀ / 47₈ / 27₁₆)

2nd Alternative\"

\"the literal " (34₁₀ / 42₈ / 22₁₆)

3rd Alternativehttp:\/\/

http:the literal text http: (case sensitive)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

4th Alternativehttps:\/\/

https:the literal text https: (case sensitive)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

5th Alternative\/\/

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

.any character (except for line terminators)

Group 4(['\"])

Character Class['\"]

'the literal ' (39₁₀ / 47₈ / 27₁₆)

\"the literal " (34₁₀ / 42₈ / 22₁₆)

-ithe literal text -i (case sensitive)

Detailed match information will be displayed here automatically.

25 tokens

-(src\s*=\s*['\"]|href\s*=\s*['\"])(((?!'|\"|http:\/\/|https:\/\/|\/\/).)*)(['\"])-i

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