Regular Expressions 101

(?x)applies the following effective flags to the remainder of the pattern: gmx

x modifier: extended. Ignores unescaped whitespace and comments outside character classes

httpthe literal text http (case sensitive)

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

:// the literal text ://

Non-Capturing Group(?: (?:www|m)\. (?:tiktok.com)\/ (?:v|embed|trending) (?:\/)? (?:\?shareId=)? )

Non-Capturing Group(?:www|m)

1st Alternativewww

wwwthe literal text www (case sensitive)

2nd Alternativem

mthe literal m (109₁₀ / 155₈ / 6D₁₆) (case sensitive)

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

Non-Capturing Group(?:tiktok.com)

tiktokthe literal text tiktok (case sensitive)

.any Unicode character (except for line terminators)

comthe literal text com (case sensitive)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

Non-Capturing Group(?:v|embed|trending)

1st Alternativev

vthe literal v (118₁₀ / 166₈ / 76₁₆) (case sensitive)

2nd Alternativeembed

embedthe literal text embed (case sensitive)

3rd Alternativetrending

trendingthe literal text trending (case sensitive)

Non-Capturing Group(?:\/)?

?repeats the group contents below at most once:

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

Non-Capturing Group(?:\?shareId=)?

?repeats the group contents below at most once:

\?the literal ? (63₁₀ / 77₈ / 3F₁₆)

shareId=the literal text shareId= (case sensitive)

Group id(?P<id>[\da-z]+)

Character Class[\da-z]+

+matches at least one character from the set below:

\da Unicode decimal digit

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

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

(?x)
https?://
(?:
   (?:www|m)\.
   (?:tiktok.com)\/
   (?:v|embed|trending)
   (?:\/)?
   (?:\?shareId=)?
)
(?P<id>[\da-z]+)

New

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