regex101: PCRE2 (PHP) Substitution Workspace

Group 1(^\w+\s\w+\s\w+\s)

^start of line

\w+any word character, repeated at least once

\sany whitespace character

\w+any word character, repeated at least once

\sany whitespace character

\w+any word character, repeated at least once

\sany whitespace character

Group 2(\d{3})

\d{3}a digit, repeated exactly 3 times

Group 3(.*)

.*any character (except for line terminators), 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

(^\w+\s\w+\s\w+\s)(\d{3})(.*)

New

Bach 2000 v03CD15 045 - Cantatas BWV 147-149
Bach 2000 v03CD05 1 - Cantata, BWV 112
Bach 2000 v03CD05 10 - Cantata, BWV 113
Bach 2000 v03CD1 1 - Cantata, BWV 100
Bach 2000 v03CD1 10 - Cantata, BWV 101
Bach 2000 v03CD1 020 - Cantata, BWV 102
Bach 2000 v03CD10 10 - Cantata, BWV 129

Substitution

Bach 2000 v03CD15 045 - Cantatas BWV 147-149
Bach 2000 v03CD05 1 - Cantata, BWV 112
Bach 2000 v03CD05 10 - Cantata, BWV 113
Bach 2000 v03CD1 1 - Cantata, BWV 100
Bach 2000 v03CD1 10 - Cantata, BWV 101
Bach 2000 v03CD1 020 - Cantata, BWV 102
Bach 2000 v03CD10 10 - Cantata, BWV 129