Python - regex - Splitting string before word

Question

I am trying to split a string in python before a specific word. For example, I would like to split the following string before \"path:\".

• split strin

Answer 1

in_str = "path:bte00250 Alanine, aspartate and glutamate metabolism path:bte00330 Arginine and proline metabolism"
in_list = in_str.split('path:')
print ",path:".join(in_list)[1:]