Answers for "python re library"

python re compile

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)

re python3

import re
>>> m = re.search('(?<=abc)def', 'abcdef')
>>> m.group(0)
'def'

re module documentation

>>> m = re.search(r'(?<=-)w+', 'spam-egg')
>>> m.group(0)
'egg'

python re

if pattern := re.search("[iI] am (.*)", "I am tired"):
    print(f"Hi {pattern.group(1)}, I'm dad!")

python re

m = re.search(r'[cbm]at', 'aat')
print(m)