regex101: Python Match Workspace

Pro

\ba Unicode word boundary

Group 1((?:https?://|www\d{0,3}[.]|[a-z0-9.\-]+[.][a-z]{2,4}/)(?:[^\s()<>]|$([^\s()<>]+|(\([^\s()<>]+$))*\))+(?:$([^\s()<>]+|(\([^\s()<>]+$))*\)|[^\s`!()\[\]{};:\'\"\\\/.,<>?\xab\xbb\u201c\u201d\u2018\u2019]))

Non-Capturing Group(?:https?://|www\d{0,3}[.]|[a-z0-9.\-]+[.][a-z]{2,4}/)

1st Alternativehttps?://

httpthe literal text http (case sensitive)

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

://the literal text ://

2nd Alternativewww\d{0,3}[.]

wwwthe literal text www (case sensitive)

\d{0,3}a Unicode decimal digit, repeated between 0 and 3 times

Character Class[.]

.the literal . (46₁₀ / 56₈ / 2E₁₆)

3rd Alternative[a-z0-9.\-]+[.][a-z]{2,4}/

Character Class[a-z0-9.\-]+

+matches at least one character from the set below:

a-zone character from a (97₁₀) to z (122₁₀) (case sensitive)

0-9one character from 0 (48₁₀) to 9 (57₁₀)

.the literal . (46₁₀ / 56₈ / 2E₁₆)

\-the literal - (45₁₀ / 55₈ / 2D₁₆)

Character Class[.]

.the literal . (46₁₀ / 56₈ / 2E₁₆)

Character Class[a-z]{2,4}

{2,4}matches between 2 and 4 characters from the set below:

a-zone character from a (97₁₀) to z (122₁₀) (case sensitive)

/the literal / (47₁₀ / 57₈ / 2F₁₆)

Non-Capturing Group(?:[^\s()<>]|$([^\s()<>]+|(\([^\s()<>]+$))*\))+

+repeats the group contents below at least once:

1st Alternative[^\s()<>]

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

\sa Unicode whitespace character

(the literal ( (40₁₀ / 50₈ / 28₁₆)

)the literal ) (41₁₀ / 51₈ / 29₁₆)

<the literal < (60₁₀ / 74₈ / 3C₁₆)

>the literal > (62₁₀ / 76₈ / 3E₁₆)

2nd Alternative$([^\s()<>]+|(\([^\s()<>]+$))*\)

\(the literal ( (40₁₀ / 50₈ / 28₁₆)

Group 2([^\s()<>]+|($[^\s()<>]+$))*

*repeats the group contents below any number of times:

1st Alternative[^\s()<>]+

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

+matches at least one character outside the set below:

\sa Unicode whitespace character

(the literal ( (40₁₀ / 50₈ / 28₁₆)

)the literal ) (41₁₀ / 51₈ / 29₁₆)

<the literal < (60₁₀ / 74₈ / 3C₁₆)

>the literal > (62₁₀ / 76₈ / 3E₁₆)

2nd Alternative($[^\s()<>]+$)

Group 3($[^\s()<>]+$)

\(the literal ( (40₁₀ / 50₈ / 28₁₆)

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

+matches at least one character outside the set below:

\sa Unicode whitespace character

(the literal ( (40₁₀ / 50₈ / 28₁₆)

)the literal ) (41₁₀ / 51₈ / 29₁₆)

<the literal < (60₁₀ / 74₈ / 3C₁₆)

>the literal > (62₁₀ / 76₈ / 3E₁₆)

\)the literal ) (41₁₀ / 51₈ / 29₁₆)

Non-Capturing Group(?:$([^\s()<>]+|(\([^\s()<>]+$))*\)|[^\s`!()\[\]{};:\'\"\\\/.,<>?\xab\xbb\u201c\u201d\u2018\u2019])

1st Alternative$([^\s()<>]+|(\([^\s()<>]+$))*\)

\(the literal ( (40₁₀ / 50₈ / 28₁₆)

Group 4([^\s()<>]+|($[^\s()<>]+$))*

*repeats the group contents below any number of times:

1st Alternative[^\s()<>]+

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

+matches at least one character outside the set below:

\sa Unicode whitespace character

(the literal ( (40₁₀ / 50₈ / 28₁₆)

)the literal ) (41₁₀ / 51₈ / 29₁₆)

<the literal < (60₁₀ / 74₈ / 3C₁₆)

>the literal > (62₁₀ / 76₈ / 3E₁₆)

2nd Alternative($[^\s()<>]+$)

Group 5($[^\s()<>]+$)

\)the literal ) (41₁₀ / 51₈ / 29₁₆)

2nd Alternative[^\s`!()\[\]{};:\'\"\\\/.,<>?\xab\xbb\u201c\u201d\u2018\u2019]

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

25 tokens

Regular Expression

\b((?:https?://|www\d{0,3}[.]|[a-z0-9.\-]+[.][a-z]{2,4}/)(?:[^\s()<>]|\(([^\s()<>]+|(\([^\s()<>]+\)))*\))+(?:\(([^\s()<>]+|(\([^\s()<>]+\)))*\)|[^\s`!()\[\]{};:\'\"\\\/.,<>?\xab\xbb\u201c\u201d\u2018\u2019]))

New

 on <a href=\"http://Download%20(Album%20of%20six%20wallpapers)\"><b>zazev</b></a>.</p>\n

Extraction

 on <a href=\"http://Download%20(Album%20of%20six%20wallpapers)\"><b>zazev</b></a>.</p>\n