Regular Expressions 101

Explanation

Pro

https:the literal text https: (case sensitive)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

Group 1([a-z\.]{4})?

?repeats the group contents below at most once:

Character Class[a-z\.]{4}

{4}matches exactly 4 characters from the set below:

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

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

Group 2([0-9]+.hs-sites|wthubspot|hubspot)

1st Alternative[0-9]+.hs-sites

Character Class[0-9]+

+matches at least one character from the set below:

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

.any character (except for line terminators)

hs-sitesthe literal text hs-sites (case sensitive)

2nd Alternativewthubspot

wthubspotthe literal text wthubspot (case sensitive)

3rd Alternativehubspot

hubspotthe literal text hubspot (case sensitive)

.any character (except for line terminators)

comthe literal text com (case sensitive)

Character Class[\/]?

?matches at most one character from the set below:

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

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

Detailed match information will be displayed here automatically.

26 tokens

https:\/\/([a-z\.]{4})?([0-9]+.hs-sites|wthubspot|hubspot).com[\/]?

New

https://hubspot.com
https://www.hubspot.com/
https://wthubspot.com/
https://123456.hs-sites.com/
https://google.com