Regular Expressions 101

Explanation
Pro

<function=the literal text <function= (case sensitive)

Group name(?P<name>.*?)

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

>the literal > (62₁₀ / 76₈ / 3E₁₆)

Group arguments(?P<arguments>.*?)

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

<the literal < (60₁₀ / 74₈ / 3C₁₆)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

function>the literal text function> (case sensitive)

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.

25 tokens

<function=(?P<name>.*?)>(?P<arguments>.*?)<\/function>

<function=spotify_trending_songs>{"n": "5"}</function>
This is an assistant message
<function=some_other_function>{"foo": "bar"}</function>