python get index of regex match code example

Example 1: regex find a word index of all matches

import re
sentence = input("Give me a sentence ")
word = input("What word would you like to find ")
for match in re.finditer(word, sentence):
    print (match.start(), match.end())

Example 2: py string find regex pos

import re
re.search('o{3}', 'Python is slooow!').start()	# 12