Find the indexes of all regex matches?

Question

I\'m parsing strings that could have any number of quoted strings inside them (I\'m parsing code, and trying to avoid PLY). I want to find out if a substring is quoted, and

Answer 1

#To get indice of all occurence

S = input() # Source String 
k = input() # String to be searched
import re
pattern = re.compile(k)
r = pattern.search(S)
if not r: print("(-1, -1)")
while r:
    print("({0}, {1})".format(r.start(), r.end() - 1))
    r = pattern.search(S,r.start() + 1)