Find string between two substrings [duplicate]
s = "123123STRINGabcabc"def find_between( s, first, last ): try: start = s.index( first ) + len( first ) end = s.index( last, start ) return s[start:end] except ValueError: return ""def find_between_r( s, first, last ): try: start = s.rindex( first ) + len( first ) end = s.rindex( last, start ) return s[start:end] except ValueError: return ""print find_between( s, "123", "abc" )print find_between_r( s, "123", "abc" )gives:
123STRINGSTRINGabcI thought it should be noted - depending on what behavior you need, you can mix index and rindex calls or go with one of the above versions (it's equivalent of regex (.*) and (.*?) groups).