import re
# Compile a regular expression pattern into a regular expression object, which can be used for matching using its match(), search() and other methods, described below.
prog = re.compile(pattern)
result = prog.match(string)
# is equivalent to
result = re.match(pattern, string)import re
pattern = re.compile('[a-zA-Z ]+') # a...z A...Z and space allowed
message = "Weather is nice"
if pattern.match(message).group() == message:
print("match")
else:
print("no match")def http_error(status):
match status:
case 400:
return "Bad request"
case 404:
return "Not found"
case 418:
return "I'm a teapot"
case _:
return "Something's wrong with the internet"import re
xx = "guru99,education11 is fun"
r1 = re.findall(r"^\w+",xx)
print(r1)# import re module
import re
Substring ='string'
String1 ='''We are learning regex with geeksforgeeks
regex is very useful for string matching.
It is fast too.'''
String2 ='''string We are learning regex with geeksforgeeks
regex is very useful for string matching.
It is fast too.'''
# Use of re.search() Method
print(re.search(Substring, String1, re.IGNORECASE))
# Use of re.match() Method
print(re.match(Substring, String1, re.IGNORECASE))
# Use of re.search() Method
print(re.search(Substring, String2, re.IGNORECASE))
# Use of re.match() Method
print(re.match(Substring, String2, re.IGNORECASE))