Regex with PRegEx

email-domains.py

from pregex.classes import AnyButWhitespace
from pregex.groups import Capture
from pregex.quantifiers import OneOrMore, AtLeastAtMost


pattern = (
    OneOrMore(AnyButWhitespace())
    + "@"
    + Capture(
        OneOrMore(AnyButWhitespace()) + "." + AtLeastAtMost(AnyButWhitespace(), 2, 3)
    )
)

text = """My names is Alice. I live in Wonderland. You can mail me: alice@wonderland.com. 
In case if I couldn't reply, please main my friend the White Rabbit: whiterabbit@wonderland.com.
But for more serious issues, you should main Tony Stark at tony@stark.org.
"""

# Get everything you captured. 
pattern.get_captures(text)
# [('wonderland.com',), ('wonderland.com',), ('stark.org',)]

# Get all your matches. 
pattern.get_matches(text)
# ['alice@wonderland.com', 'whiterabbit@wonderland.com', 'tony@stark.org']

email-either.py

from pregex.classes import AnyButWhitespace
from pregex.groups import Capture
from pregex.operators import Either
from pregex.quantifiers import OneOrMore


pattern = (
    OneOrMore(AnyButWhitespace())
    + "@"
    + Capture(OneOrMore(AnyButWhitespace()) + Either(".com", ".org"))
)

text = """My names is Alice. I live in Wonderland. You can mail me: alice@wonderland.com. 
In case if I couldn't reply, please main my friend the White Rabbit: whiterabbit@wonderland.com.
But for more serious issues, you should main Tony Stark at tony@stark.org.
Please don't message thanos@wierdland.err
"""

pattern.get_captures(text)
# [('wonderland.com',), ('wonderland.com',), ('stark.org',)]

findzip-pre.py

from pregex.classes import AnyDigit
from pregex.quantifiers import Exactly, Optional

pattern = Exactly(AnyDigit(), 5) + Optional("-" + Exactly(AnyDigit(), 4))

address1 = "730 S White Sands Blvd, Alamogordo, NM 88310, United States"
address2 = "730 S White Sands Blvd, Alamogordo, NM 88310-7421, United States"

pattern.get_matches(address1)
# ['88310']

pattern.get_matches(address2)
# ['88310-7421']

findzip-re.py

import re

pattern = r"\d{5}(-\d{4})?"

address = "730 S White Sands Blvd, Alamogordo, NM 88310, United States"

zip_code = re.search(pattern, address).group()

print(zip_code)

# 88310