# coding=utf8
# the above tag defines encoding for this document and is for Python 2.x compatibility
import re
regex = r"\s(?=\w*[0-9])(?=\w*[A-Z])([A-Z\d]{11}|[A-Z\d]{7})\s"
test_str = "From: Creedence Colossal <tmpwchange@gmail.com> To: \"tmpwchange@gmail.com\" N4EYN5DW9CT <tmpwchange@gmail.com> Subject: +14242767352 5/18/2021 9:22:23 PM Return-Path: <tmpwchange@gmail.com> Received: from [192.168.1.34] (047-232-149-032.res.spectrum.com. [47.232.149.32]) by smtp.gmail.com with ESMTPSA id x6sm4564717pfj.24.2021.05.18.21.22.51 for 9GS4C81 <tmpwchange@gmail.com> (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Tue, 18 May 2021 21:22:52 -0700 (PDT) Date: Tue, 18 May 2021 21:22:23 -0700 Message-Id: <U8F57JFLRDU4.QQL5G9PGZESZ2@DESKTOP-6PJ7AGK> MIME-Version: 1.0 Content-Type: text/plain; charset=\"utf-8\" 9GS4C84 -- This 8001355 email ESMTPSA has been checked for viruses by Avast antivirus software."
matches = re.finditer(regex, test_str)
for matchNum, match in enumerate(matches, start=1):
print ("Match {matchNum} was found at {start}-{end}: {match}".format(matchNum = matchNum, start = match.start(), end = match.end(), match = match.group()))
for groupNum in range(0, len(match.groups())):
groupNum = groupNum + 1
print ("Group {groupNum} found at {start}-{end}: {group}".format(groupNum = groupNum, start = match.start(groupNum), end = match.end(groupNum), group = match.group(groupNum)))
# Note: for Python 2.7 compatibility, use ur"" to prefix the regex and u"" to prefix the test string and substitution.
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for Python, please visit: https://docs.python.org/3/library/re.html