On 2015-06-01 23:48, Mark Lawrence wrote:
On 01/06/2015 21:29, Tim Chase wrote:
Is Python supposed to support POSIX "equivalence classes"? I tried
the following in Py2 and Py3:
>>> re.sub('[[=a=]]', 'A', 'aáàãâä', re.U)
'aáàãâä'
which suggests that it doesn't (I would have expected "AAAAAA" as the
result).
Is there a way to get this behavior?
I found that perl knows about them but treats them as an exception
for now[1]. Supposedly GNU awk (and other GNU POSIXish tools)
recognize character classes, as does vim.
Thanks,
-tkc
[1]
http://perldoc.perl.org/perlrecharclass.html
I wouldn't know directly as I tend to avoid them like the plague, but if
not are they in the "new" regex module, see
https://pypi.python.org/pypi/regex/2015.05.28 and/or
http://bugs.python.org/issue2636 ???
The regex module has POSIX character classes [[:alpha:]], but not
POSIX equivalence classes.
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