regex101: JavaScript Match Workspace

Pro

^start of line

Group 1((http|https):\/\/)?

?repeats the group contents below at most once:

Group 2(http|https)

1st Alternativehttp

httpthe literal text http (case sensitive)

2nd Alternativehttps

httpsthe literal text https (case sensitive)

:the literal : (58₁₀ / 72₈ / 3A₁₆)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

Group 3(www.)?

?repeats the group contents below at most once:

wwwthe literal text www (case sensitive)

.any character (except for line terminators)

Negative Lookahead(?!.*(http|https|www.))

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

Group 4(http|https|www.)

1st Alternativehttp

httpthe literal text http (case sensitive)

2nd Alternativehttps

httpsthe literal text https (case sensitive)

3rd Alternativewww.

wwwthe literal text www (case sensitive)

.any character (except for line terminators)

Character Class[a-zA-Z0-9_-]+

+matches at least one character from the set below:

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

A-Zone character from A (65₁₀) to Z (90₁₀) (case sensitive)

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

_the literal _ (95₁₀ / 137₈ / 5F₁₆)

-the literal - (45₁₀ / 55₈ / 2D₁₆)

Group 5(\.[a-zA-Z]+)+

+repeats the group contents below at least once:

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

Character Class[a-zA-Z]+

+matches at least one character from the set below:

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

A-Zone character from A (65₁₀) to Z (90₁₀) (case sensitive)

Group 6(\/)?

?repeats the group contents below at most once:

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

.any character (except for line terminators)

Group 7([\w\?[a-zA-Z-_%\/@?]+)*

*repeats the group contents below any number of times:

Character Class[\w\?[a-zA-Z-_%\/@?]+

+matches at least one character from the set below:

\wany word character

\?the literal ? (63₁₀ / 77₈ / 3F₁₆)

[the literal [ (91₁₀ / 133₈ / 5B₁₆)

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

A-Zone character from A (65₁₀) to Z (90₁₀) (case sensitive)

-the literal - (45₁₀ / 55₈ / 2D₁₆)

_the literal _ (95₁₀ / 137₈ / 5F₁₆)

%the literal % (37₁₀ / 45₈ / 25₁₆)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

@the literal @ (64₁₀ / 100₈ / 40₁₆)

?the literal ? (63₁₀ / 77₈ / 3F₁₆)

Group 8([^\/\w\?[a-zA-Z0-9_-]+=\w+(&[a-zA-Z0-9_]+=\w+)*)?

?repeats the group contents below at most once:

Negated Character Class[^\/\w\?[a-zA-Z0-9_-]+

+matches at least one character outside the set below:

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

\wany word character

\?the literal ? (63₁₀ / 77₈ / 3F₁₆)

[the literal [ (91₁₀ / 133₈ / 5B₁₆)

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

A-Zone character from A (65₁₀) to Z (90₁₀) (case sensitive)

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

_the literal _ (95₁₀ / 137₈ / 5F₁₆)

-the literal - (45₁₀ / 55₈ / 2D₁₆)

=the literal = (61₁₀ / 75₈ / 3D₁₆)

\w+any word character, repeated at least once

Group 9(&[a-zA-Z0-9_]+=\w+)*

*repeats the group contents below any number of times:

&the literal & (38₁₀ / 46₈ / 26₁₆)

Character Class[a-zA-Z0-9_]+

+matches at least one character from the set below:

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

A-Zone character from A (65₁₀) to Z (90₁₀) (case sensitive)

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

_the literal _ (95₁₀ / 137₈ / 5F₁₆)

=the literal = (61₁₀ / 75₈ / 3D₁₆)

\w+any word character, repeated at least once

$end of line

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

26 tokens

Regular Expression

^((http|https):\/\/)?(www.)?(?!.*(http|https|www.))[a-zA-Z0-9_-]+(\.[a-zA-Z]+)+(\/)?.([\w\?[a-zA-Z-_%\/@?]+)*([^\/\w\?[a-zA-Z0-9_-]+=\w+(&[a-zA-Z0-9_]+=\w+)*)?$

New

httpsa://localhost/pwa/deals
https://localhost/pwa/deals
https://localhost/pwa/deals
https://localhost/pwa/deals/api/sdsdsd
fb.com/animesh
sleeptight.com
multitasking.com
a2.com
asdasdasd.com
sdsdc
check  abunes.com/
#.in
google@http://asd.com
animes@google.com
test@test.com
--2-
www.com
http://www.computer.com.au/
f4.animesh@google.com
https://animeshsingh.in
http://animeshsingh.in/
someone.ag
someone.br/ads
www.test-my-skills.gov.cz/0999asd-xzc88?0-_/sad%20123/@asdas
Http://www.@test.com
Https://www.@test.com
https://asa .aasd.com
test@asda.test.cas
someone.com
asdasd.com/asdasd/asdasd/asdasd/@asasd
ftp://siva:asdas@sadasd/asd
adc
2@https://www.go.com
www.google.com
https://www.somehow.com/@aasd
https://www.test.facebook.com/@sdas
Https://www.test.com/@masdasd
www.instagram.com/f4animesh
http://www.animeshsingh.in
www.ASD.com

Substitution

httpsa://localhost/pwa/deals
https://localhost/pwa/deals
https://localhost/pwa/deals
https://localhost/pwa/deals/api/sdsdsd
fb.com/animesh
sleeptight.com
multitasking.com
a2.com
asdasdasd.com
sdsdc
check  abunes.com/
#.in
google@http://asd.com
animes@google.com
test@test.com
--2-
www.com
http://www.computer.com.au/
f4.animesh@google.com
https://animeshsingh.in
http://animeshsingh.in/
someone.ag
someone.br/ads
www.test-my-skills.gov.cz/0999asd-xzc88?0-_/sad%20123/@asdas
Http://www.@test.com
Https://www.@test.com
https://asa .aasd.com
test@asda.test.cas
someone.com
asdasd.com/asdasd/asdasd/asdasd/@asasd
ftp://siva:asdas@sadasd/asd
adc
2@https://www.go.com
www.google.com
https://www.somehow.com/@aasd
https://www.test.facebook.com/@sdas
Https://www.test.com/@masdasd
www.instagram.com/f4animesh
http://www.animeshsingh.in
www.ASD.com