import re
regex = r"^(https?://www\.example\.com)(?::80)?(/[^/]+/)$"
s = "http://w...content-available-to-author-only...e.com:80/about-me/"
result = re.sub(regex, r"\1\2", s, 1)
print(result)
aW1wb3J0IHJlCgpyZWdleCA9IHIiXihodHRwcz86Ly93d3dcLmV4YW1wbGVcLmNvbSkoPzo6ODApPygvW14vXSsvKSQiCnMgPSAiaHR0cDovL3cuLi5jb250ZW50LWF2YWlsYWJsZS10by1hdXRob3Itb25seS4uLmUuY29tOjgwL2Fib3V0LW1lLyIKcmVzdWx0ID0gcmUuc3ViKHJlZ2V4LCByIlwxXDIiLCBzLCAxKQpwcmludChyZXN1bHQp