Email Address Validation in PY
Match and validate email addresses in the standard user@domain.tld format.
Try it in the PY tester →Pattern
regexPY
[a-zA-Z0-9._%+\-]+@[a-zA-Z0-9.\-]+\.[a-zA-Z]{2,} (flags: g)Python (re) code
pyPython
import re
pattern = re.compile(r"[a-zA-Z0-9._%+\-]+@[a-zA-Z0-9.\-]+\.[a-zA-Z]{2,}")
input_text = "user@example.com"
for m in pattern.finditer(input_text):
print(m.group(0))Stdlib `re` module — no third-party dependency. Works on Python 3.6+.
How the pattern works
Matches a local part (letters, digits, dots, underscores, percent, plus, hyphen) followed by @, a domain name, a dot, and a TLD of at least 2 characters.
Examples
Input
user@example.comMatches
user@example.com
Input
hello.world+tag@sub.domain.orgMatches
hello.world+tag@sub.domain.org
Input
invalid-emailNo match
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