# coding=utf8
# the above tag defines encoding for this document and is for Python 2.x compatibility
import re
regex = r"(?<!(?=((http|https|ftp|ftps?)\:\/\/?)(www\.?)))Nissan(?!(?:([$&+.,/:;\-_#=@?!a-zA-Z0-9](?!\s))+))(?=[^<>]*<)(?!(?:(?!</?(?:a|span)[ >/])(?:.|\n))*</(?:a|span)>)(?! (Micra|is))"
test_str = ("<p>Nissan is car manufacter odoocompany.</p>\n"
"<p>Nissan</p>\n"
"<p>Nissan. Nissan, Nissan: 'Nissan' \"Nissan\" Nissan. </p>\n"
"<p>niss 'Nissan' niss</p>\n"
"<p>[Nissan] (Nissan)</p>\n"
"<p>Nissan! www.Nissan.com and www.Nissan.co.in/?nissan=/Nissan.php </p>\n"
"<p>Nissan! www.Nissan.com/nissanis/nissan01/nissan_-ABC/nissan.com</p>\n"
"<p>nissan.com/nissan.html nissan company Nissan Micra is product</p>\n"
"<p><a href=\"www.Nissan.com\">Nissan</a> is company and <span><a href=\"www.Nissan.com\">Nissan</a></span> Micra is product</p>\n"
"<p><span>Nissan</span></p>\n"
"<p>Nissan product <a href=\"Nissan.com\">Nissan</a> ignore Nissan</p>\n"
"<p>nissan <a href=\"Nissan.com\"><span>Nissan</span></a> new nissan</p>\n"
"<p>odoo is a name Company and Nissan Micra is a model of best.</p>\n\n"
"<p>This is new <a href='https://www.Nissan.com'><span>Nissan</span></a> micra of micra nissan is company.\n"
"nissan is a company.</p>")
matches = re.finditer(regex, test_str, re.IGNORECASE)
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