Re: find position in a list made by string by searching incomplete string
- To: mathgroup at smc.vnet.net
- Subject: [mg130350] Re: find position in a list made by string by searching incomplete string
- From: Bill Rowe <readnews at sbcglobal.net>
- Date: Thu, 4 Apr 2013 22:28:55 -0400 (EDT)
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- Delivered-to: l-mathgroup@wolfram.com
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On 4/3/13 at 10:50 PM, jougraw at gmail.com (Joug Raw) wrote:
>I have a list of strings like list1={{"a", "b something", "a",
>"a", "b", "c", "b"} In this list, 'something' is a sting that I will
>not know in advanced and there are several spaces between the 'b'
>and the 'something' in one string. The number of the spaces is
>unknown.
>I want to find out the position of the this "b something" sting in
>the list. So, I did,
>Position[list1, "b*"]
>and I also tried, Position[list1,"b"~~___ ]
>both of them gave me {} as results.
In[1]:= list1 = {"a", "b something", "a", "a", "b", "c", "b"};
In[2]:= Position[Length /@ StringCases[list1, "b" ~~ __], 1]
Out[2]= {{2}}