regex101: PCRE2 (PHP) Match Workspace

Pro

-the literal - (45₁₀ / 55₈ / 2D₁₆)

Non-Capturing Group(?:[A-Za-z0-9]{4}){2,8}

{2,8}repeats the group contents below between 2 and 8 times:

Character Class[A-Za-z0-9]{4}

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

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

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

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

$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

25 tokens

Regular Expression

-(?:[A-Za-z0-9]{4}){2,8}$

New

name-ASDk
name-ASDk12
name-ASDk1234
name-ASDFghjk1234
name_name-ASDFghjk1234
name-ASDg1234
name-ASDg1234ASDg1234
name-ASDg1234ASDg1234
name-ASDg1234ASDg1234
name-ASDg1234ASDg1234ASDg1234ASDg1234
name-ASDg1234ASDg1234ASDg1234ASDg12341234

Substitution

name-ASDk
name-ASDk12
name-ASDk1234
name-ASDFghjk1234
name_name-ASDFghjk1234
name-ASDg1234
name-ASDg1234ASDg1234
name-ASDg1234ASDg1234
name-ASDg1234ASDg1234
name-ASDg1234ASDg1234ASDg1234ASDg1234
name-ASDg1234ASDg1234ASDg1234ASDg12341234