I think you want:
string = u'ä'
This will define it at a unicode string.
For example:
In [7]: string = unicode('ä')
---------------------------------------------------------------------------
UnicodeDecodeError Traceback (most recent call last)
<ipython-input-7-5cba4c2df988> in <module>()
----> 1 string = unicode('ä')
UnicodeDecodeError: 'ascii' codec can't decode byte 0xc3 in position 0:
ordinal not in range(128)
In [8]: string = unicode(u'ä')
Cheers,
Eric
On Sun, Oct 12, 2014 at 3:01 PM, Scott Garman <[email protected]> wrote:
> Hi all,
>
> I'm getting pretty confused by a problem I'm trying to solve in python,
> which is to detect lower-case characters in a string. This would normally
> be a simple regex, but I have to also accept input strings with umlats in
> them, such as 'ä'. I'm using python 2.7.6.
>
> At first I thought this was a unicode problem, but now I'm not so sure.
> About anything.
>
> #!/usr/bin/env python
> # -*- coding: utf-8 -*-
>
> str = 'ä'
>
> if isinstance(str, unicode):
> print "This is unicode"
>
> Running this tells me that string is *not* unicode. I know that there's a
> thing called extended ASCII, and if I look up a table for that, I see
> characters with accents and umlats:
>
> http://www.asciitable.com/
>
> This table suggests that 'ä' should correspond to an ordinal value of 132.
> But if I run:
>
> #!/usr/bin/env python
> # -*- coding: utf-8 -*-
>
> string = 'ä'
>
> for c in string:
> print ord(c)
>
> I get:
>
> 195
> 164
>
> which tells me that I'm dealing with a two-byte character, which brings me
> back to this being unicode.
>
> Now looking at which characters in the extended ASCII table correspond to
> those values, I don't see any relation to 'ä'.
>
> Finally, my understanding of python 2.x is that it does not support
> unicode in regexes. Otherwise I'd just use \p{Ll} and have a good deal more
> hair left on my head.
>
> I've also tried forcing the string to ASCII using:
>
> str.decode("ascii", "ignore")
>
> and this is one of those characters that just gets dropped in the
> conversion.
>
> Any insights on what I'm missing would be greatly appreciated.
>
> Thanks,
>
> Scott
>
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>
--
Eric Holscher
Maker of the internet residing in Portland, Or
http://ericholscher.com
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