Extract p and img from HTML page

#!/usr/bin/python3
import re
import os
import sys

filename = sys.argv[1]
text_file = open(filename, "r")
text = text_file.read()
text_file.close()

regex = r'<p.*?>(.*?)</p>'
blocks = []
for m in re.finditer(regex, text, flags=re.IGNORECASE|re.DOTALL):
    blocks.append(m.group(1))
for block in blocks:
    clean = re.sub(r'<.*?>', "", block, flags=re.DOTALL)
    print(clean)

regex = r'<img (.*?)>'
blocks = [m.group(1) for m in re.finditer(regex, text, flags=re.IGNORECASE|re.DOTALL)]
for block in blocks:
    clean = re.sub(r""".*src=["']""", "", block, flags=re.IGNORECASE|re.DOTALL)
    clean = re.sub(r"""["'].*""", "", clean, flags=re.DOTALL)
    print(clean)