[Tutor] Finding all the letters in a string?
Eric Lake
ericlake at ubuntu.com
Tue Sep 18 02:12:44 CEST 2007
On Mon, Sep 17, 2007 at 07:48:56PM -0400, Michael Langford wrote:
>
> Not my night...the second sentence "To get the set of letters, use"
> should read "To get the filtered string".....time for more Coke Zero.
> --Michael
> On 9/17/07, Andrew Nelsen <[6] sxkorean at gmail.com> wrote:
>
> I was wondering, recently, the most expedient way to take a string
> with [@#$%^&*] and alpha-numeric characters [ie.
> "^@%#*$@*$g@)$&^@&^$F"] and place all of the letters in a string or
> list. I thought there could be obvious ways:
> A) Find all the letters, put them in a list, one by one. Something
> like (I'm not sure yet how I'd do it...):
> import string
> list = {}
> string = "@*&^$&*^@$g*(&@$*(&$@c(*&*(&c^&%&^%"
> for x in string:
> if x <is in string.letters?>
> list = list + [x]
> B) Delete all the characters in the string that don't match
> string.letters:
> No idea...strip()?
> Thanks,
> Drew
>
> _______________________________________________
I missed a part too. The original question specified alpha-numeric
characters. sting.ascii.letters will only get a - z and A - Z. Would a
regular expression work here with \w?
--
Thanks
Eric Lake
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