regex101: calibre_metaplug

Pro

Overlordthe literal text Overlord (case sensitive)

Group 1([^\w])+

+repeats the group contents below at least once:

Negated Character Class[^\w]

\wa Unicode word character

Group 2(\w+)

\w+a Unicode word character, repeated at least once

Group 3([^\w]+|)

1st Alternative[^\w]+

Negated Character Class[^\w]+

+matches at least one character outside the set below:

\wa Unicode word character

2nd Alternative — matches an empty string

Group 4([0-9])+

+repeats the group contents below at least once:

Character Class[0-9]

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

Group 5(\W*)

\W*any character that is not a Unicode word character, repeated any number of times

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

Overlord([^\w])+(\w+)([^\w]+|)([0-9])+(\W*)

Overlord Vol. 1: The Undead King
Overlord, Volume 1: The Undead King
Overlord, Vol 1: The Undead King
Overlord, Vol1: The Undead King
Overlord Vol1: The Undead King
Overlord: Volume 1: The Undead King
Overlord- Volume 1: The Undead King
Overlord Vol1: The Undead King
Overlord Vol 45
Overlord Vol 02
The Bad Volume are too high
Overlord Vol12: The Undead King
Overlord - Volume 17

Extraction

Overlord Vol. 1: The Undead King
Overlord, Volume 1: The Undead King
Overlord, Vol 1: The Undead King
Overlord, Vol1: The Undead King
Overlord Vol1: The Undead King
Overlord: Volume 1: The Undead King
Overlord- Volume 1: The Undead King
Overlord Vol1: The Undead King
Overlord Vol 45
Overlord Vol 02
The Bad Volume are too high
Overlord Vol12: The Undead King
Overlord - Volume 17