URL Match Regular Expression

import re
 
url_re = re.compile(r"\b%(urls)s:[%(any)s]+?(?=[%(punc)s]*(?:[^%(any)s]|$))" % {
    "urls": "(?: %s)" % "|".join("http telnet gopher file wais ftp https".split()),
    "any": r"\w/#~:.?+=&%@!\-.:?\-",
    "punc": r".:?\-",
}, re.VERBOSE)
 
reply_re = re.compile(r"@([\w]+?)\b")