how to use regular expressions in python 3 : pattern = r"(Mon|Tues|Wednes|Thurs|Fri)day, (February|March) [0-9]{2}, [0-9]{4}\s*Day [0-9]{1}"
line = """
Wednesday, February 28, 2018 
Day 4 3:00 Dismissal 
All Day 

Thursday, March 01, 2018 
Day 5 1:30PM Dismissal 
All Day 

Friday, March 02, 2018 
Day 6 3:00 Dismissal 
All Day 

Monday, March 05, 2018 
Day 1 1:30 Dismissal 
All Day 

Tuesday, March 06, 2018 
Day 2 3:00 Dismissal 
All Day 
Tuesday, March 06, 2018"""
 result = re.findall(pattern, line)
print(result)
won't work