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re.subn()

re.subn(pattern, repl, string, count=0, flags=0)

Perform the same operation as sub(), but return a tuple (new_string, number_of_subs_made).

Changed in version 3.1: Added the optional flags argument.

Changed in version 3.5: Unmatched groups are replaced with an empty string.

Links:

https://docs.python.org/3.5/library/re.html#re.subn

doc_python

2016-10-07 17:41:20

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