seeking simple|clean|pythonic way to capture {1,} numeric clusters

[NetPCDoc]

Thanks, Gribouillis. At first glance that looks very elegant …

But:

• The re.match that you provided catches the null case test_string = 'key_phrase []', that I did not want to catch?
• I was thinking more along the lines of either editor.replace(…) or editor.search(…)?

Then again:

• Given match == 22 1 333,
• I could use local_arg = match_obj.group(1).split() in a handler-function,
• before printing, listing or substituting?
• and then, for replacing, re-string the substitution result(s) into a return_arg?