Get string between 2 characters that repeats several times in sql server

Question

I need to extract multiple strings between 2 specific characters that repeats several times in a row. for example; these are 2 rows from my table:

id myString
         


        

Answer 1

Answer works in sqlserver 2016

DECLARE @t table(id int, myString varchar(40))
INSERT @t 
VALUES (1,'aaa(bb)ccc(ffffd)'),(2, 'eeee(ff)gggg(hhh)iii')

SELECT id, stuff(value, 1, charindex('(',value),'') myString
FROM 
  @t t
CROSS APPLY
  STRING_SPLIT(mystring,')') 
WHERE value like '%(%'
ORDER BY id

Fiddle