python validate url

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Camilo
19 Jul 2016
1
2django url validation regex (source):
3
4import re
5regex = re.compile(
6        r'^(?:http|ftp)s?://' # http:// or https://
7        r'(?:(?:[A-Z0-9](?:[A-Z0-9-]{0,61}[A-Z0-9])?\.)+(?:[A-Z]{2,6}\.?|[A-Z0-9-]{2,}\.?)|' #domain...
8        r'localhost|' #localhost...
9        r'\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3})' # ...or ip
10        r'(?::\d+)?' # optional port
11        r'(?:/?|[/?]\S+)$', re.IGNORECASE)
12
13print(re.match(regex, "http://www.example.com") is not None) # True
14print(re.match(regex, "example.com") is not None)            # False
15