2.Regular Expression 2 plus and star(NLP)

 

import re
pattern="hell(o)*"#zero or more time o
if re.match(pattern,"helloo"):
    print("worked")
else:
    print("Not work")

pattern="hell(o)*xyz"#zero or more time o
if re.match(pattern,"hellooxyz"):
    print("worked")
else:
    print("Not work")

pattern="hell(o)+"#one or more time o
if re.match(pattern,"hell"):
    print("worked")
else:
    print("Not work")

worked
worked
Not work