Re: Sorting strings
- To: mathgroup at smc.vnet.net
- Subject: [mg123119] Re: Sorting strings
- From: Bob Hanlon <hanlonr357 at gmail.com>
- Date: Thu, 24 Nov 2011 06:54:11 -0500 (EST)
- Delivered-to: l-mathgroup@mail-archive0.wolfram.com
- References: <201111231207.HAA14969@smc.vnet.net>
data = {"a1", "a2", "a20", "a12"};
SortBy[data, ToExpression[StringDrop[#, 1]] &]
{"a1", "a2", "a12", "a20"}
Bob Hanlon
On Wed, Nov 23, 2011 at 7:07 AM, Themis Matsoukas <tmatsoukas at me.com> wrote:
> Sorting this list of strings
>
> {"a1", "a2", "a20", "a12"} // Sort
>
> I get
>
> {"a1", "a12", "a2", "a20"}
>
> but I would like the numerals to be sorted as numbers, i.e., as
>
> {"a1", "a2", "a12", "a20"}
>
> Is this possible or do I have to rename "a1" into "a01" etc?
>
> Thanks
>
> Themis
- References:
- Sorting strings
- From: Themis Matsoukas <tmatsoukas@me.com>
- Sorting strings