Regular Expressions 101

Group 1(@[a-zA-z0-9]*|.*)

1st Alternative@[a-zA-z0-9]*

@the literal @ (64₁₀ / 100₈ / 40₁₆)

Character Class[a-zA-z0-9]*

*matches any number of characters from the set below:

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

A-zone character from A (65₁₀) to z (122₁₀) (case sensitive)

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

2nd Alternative.*

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

Group 2(\/.*\/|trending.?shareId=)

1st Alternative\/.*\/

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

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

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

2nd Alternativetrending.?shareId=

trendingthe literal text trending (case sensitive)

.?optionally matches any character (except for line terminators)

shareId=the literal text shareId= (case sensitive)

Group 3([\d]*)

Character Class[\d]*

*matches any number of characters from the set below:

\da digit

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.

Search reference

Regular Expression

(@[a-zA-z0-9]*|.*)(\/.*\/|trending.?shareId=)([\d]*)

Test String
New

https://m.tiktok.com/h5/share/usr/6641141594707361797.html
https://m.tiktok.com/v/6749869095467945218.html
https://www.tiktok.com/@cchelseam..eow/video/6751181801206729990
https://www.tiktok.com/embed/6567659045795758085
https://www.tiktok.com/share/user/6567659045795758085
https://www.tiktok.com/trending?shareId=6744531482393545985

Regular Expression

Test StringNew

ExtractionProcessing...

Test String
New

Extraction
Processing...