How to separate specific string using split

[Mathkar_kunal]

Hi,

i want to separate “Clarity - give manager rights on resources” from whole string .how can i do this using split or any other method? please help me with the same.
check below image , variable contains below data.

[ppr (Peter Preuss)]

you can try with a regex:

but the data looks like a JSON, so JSON serializing and retrieval on this approach would be more clean.

[Mathkar_kunal]

Yes it is json data