How to process text withing brackets starting from inner brackets first

Asked Jun 21 '19 at 11:14

Active Jun 21 '19 at 11:15

Viewed 16 times

I have a text with has nested parenthesis in it. I need to process the test from inner most parenthesis, apply some logic and then move 1 level up and repeat the processing. Is there any way we can access the string within each of the paranthesis in the order of their depth.

E.g :

( xy ( ef (ab) (cd) gh ) ,  ( mn  (op) (qr), st ) z )

Expected procesing should first process :

(ab) (cd) (op) (qr)

( ef (ab) (cd) gh ) and ( mn  (op) (qr), st )

and lastly

( xy ( ef (ab) (cd) gh ) ,  ( mn  (op) (qr), st ) z )

edited Jun 21 '19 at 11:15

yatu

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asked Jun 21 '19 at 11:14

Srikant Jayaraman

What have you tried so far? Please post your code. – James Jun 21 '19 at 11:16
2

The regex you need is `r'\([^()]*\)'`. Use a loop with `re.search` to check if the regex matches, and process however you like with `re.sub` – Wiktor Stribiżew Jun 21 '19 at 11:18
This always gets the first occurrence of the match. – Srikant Jayaraman Jun 21 '19 at 11:32

How to process text withing brackets starting from inner brackets first

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