PyRegFindFull, Python 3

PyRegFindFull

#python 3.6.9

#PyRegFindFull
#this code is created by Rezaul Hoque on February 23,2022;
#contact:jewelmrh@yahoo.com;Dhaka,Bangladesh;https://rezaulhoque.wordpress.com,https://hoquestake.blogspot.com
#note: codes shared by Rezaul Hoque on rextester are not for sale; they are created and shared to facilitate the algorithm learning process; many like Hoque use this platform to practice programming ;Rezaul hopes his contribution helps others to fine tune their learning;

import re

print("Python findall() example: \n")
a = "No ant in Antarctica and another annulation of the search "
pick = r'(an(\w+))'
fits = re.findall(pick,a, re.IGNORECASE)

print(fits)

print("Python fullmatch() vs search() example: \n")
str = 'February 23, 2022'
pick2 = '\d{2}'

match = re.fullmatch(pick2,str)
if match is not None:
    print(match.group())

match = re.search(pick2,str)
if match is not None:
    print(match.group())

#fullmatch() vs match()

print("Python fullmatch() vs match() example: \n")

pick3 = 'February'

match2= re.fullmatch(pick3, str)
if match2 is not None:
    print('fullmatch:', match2.group())

match2 = re.match(pick3, str)
if match2 is not None:
    print('match:', match2.group())

#fullmatch() for id check

print("Python fullmatch() for id check: \n")
def id_OK(a: str) -> bool:
    pat = r'[A-Za-z0-9._%+-]\s\d{3}'
    if re.fullmatch(pat, a) is None:
        raise ValueError(f'The {a} is not a valid id')

return True

if __name__ == '__main__':
    try:
       if id_OK('P 369'):
           print('The id is valid')
    except ValueError as e:
        print(e)


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