Dennis Sweeney <[email protected]> added the comment:
It looks like only the first 200 characters of the input string's repr are used
as the compiled pattern's repr for some reason:
https://github.com/python/cpython/blob/master/Modules/_sre.c#L1294
I don't know if there is a good reason, especially since this violates
eval(repr(pattern)) == pattern in a bad way:
>>> eval(repr(re.compile(STR_RE_URL)))
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "<string>", line 1
re.compile('(?i)\\b((?:[a-z][\\w-]+:(?:/{1,3}|[a-z0-9%])|www\\d{0,3}[.]|[a-z0-9.\\-]+[.][a-z]{2,4}/)(?:[^\\s()<>]+|\\(([^\\s()<>]+|(\\([^\\s()<>]+\\)))*\\))+(?:\\(([^\\s()<>]+|(\\([^\\s()<>]+\\)))*\\)|[^\\s`!()\,
re.IGNORECASE)
^
SyntaxError: EOL while scanning string literal
----------
nosy: +Dennis Sweeney
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<https://bugs.python.org/issue40879>
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