Regular Expressions 101

^start of line

<id>the literal text <id> (case sensitive)

Group 1(.+?)

.+?any character (except for line terminators), repeated at least once

</id>the literal text </id> (case sensitive)

$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

^<id>(.+?)</id>$

New

<id>0000</id>
<song>Song 1</song>
<id>1111</id>
<song>Song 2</song>
<id>2222</id>
<song>Song 3</song>