Regular Expressions 101

1st Alternative(?: ([a-zA-Z0-9]+))

Non-Capturing Group(?: ([a-zA-Z0-9]+))

the literal (32₁₀ / 40₈ / 20₁₆)

Group 1([a-zA-Z0-9]+)

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)

2nd Alternative(?: :(.+))?

Non-Capturing Group(?: :(.+))?

?repeats the group contents below at most once:

:the literal text :

Group 2(.+)

.+any character (except for line terminators), repeated at least once

Global pattern flags

g modifier: global. Finds all matches instead of stopping after the first

Detailed match information will be displayed here automatically.

Search reference

Regular Expression

(?: ([a-zA-Z0-9]+))|(?: :(.+))?

New

 haaaa heu hii hoooo huuu
 allo pateee :hello jhsdfhu
 :allo, les potes comment va ?
 a b c d e f :allo, ok !&*8? -_=% :okok