Regular Expressions 101

Group 1(\bhttps?:)?

?repeats the group contents below at most once:

\ban ASCII word boundary

httpthe literal text http (case sensitive)

s?optionally matches the literal s (115₁₀ / 163₈ / 73₁₆) (case sensitive)

:the literal : (58₁₀ / 72₈ / 3A₁₆)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

Negated Character Class[^,\s()<>]+

+matches at least one character outside the set below:

,the literal , (44₁₀ / 54₈ / 2C₁₆)

\sany whitespace character

(the literal ( (40₁₀ / 50₈ / 28₁₆)

)the literal ) (41₁₀ / 51₈ / 29₁₆)

<the literal < (60₁₀ / 74₈ / 3C₁₆)

>the literal > (62₁₀ / 76₈ / 3E₁₆)

Non-Capturing Group(?:$[\w\d]+$|(?:[^,[:punct:]\s]|\/))

1st Alternative$[\w\d]+$

\(the literal ( (40₁₀ / 50₈ / 28₁₆)

Character Class[\w\d]+

+matches at least one character from the set below:

\wany word character

\da digit

\)the literal ) (41₁₀ / 51₈ / 29₁₆)

2nd Alternative(?:[^,[:punct:]\s]|\/)

Non-Capturing Group(?:[^,[:punct:]\s]|\/)

1st Alternative[^,[:punct:]\s]

Negated Character Class[^,[:punct:]\s]

,the literal , (44₁₀ / 54₈ / 2C₁₆)

[:punct:]a punctuation character [!"#$%&'()*+,\-./:;<=>?@[\]^_`{|}~]

\sany whitespace character

2nd Alternative\/

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

Detailed match information will be displayed here automatically.

Search reference

Regular Expression

(\bhttps?:)?\/\/[^,\s()<>]+(?:\([\w\d]+\)|(?:[^,[:punct:]\s]|\/))

New

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Regular Expression

Extraction