Regular Expressions 101

Group name(?<name>.*)

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

Group 2(\n|$)

1st Alternative\n

\na line-feed (newline) character (ASCII 10)

2nd Alternative$

$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

Detailed match information will be displayed here automatically.

Search reference

Regular Expression

(?<name>.*)(\n|$)

2-13_oops-i-did-it-again_britney-spears.mp3
3-13_toxic_britney-spears.vaw
hold-it-against-me_britney-spears.flac
unknown.mp3