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Re: How to check for single character change in a string?

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On Sat, Dec 24, 2011 at 8:26 AM,  <tinnews@isbd.co.uk> wrote:
> Can anyone suggest a simple/easy way to count how many characters have
> changed in a string?
>
> E.g. giving results as follows:-
>
>    abcdefg     abcdefh         1
>    abcdefg     abcdekk         2
>    abcdefg     gfedcba         6
>
>
> Note that position is significant, a character in a different position
> should not count as a match.
>
> Is there any simpler/neater way than just a for loop running through
> both strings and counting non-matching characters?

No, but the loop approach is pretty simple:

sum(a == b for a, b in zip(str1, str2))

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How to check for single character change in a string? tinnews@isbd.co.uk - 2011-12-24 15:26 +0000
  Re: How to check for single character change in a string? Roy Smith <roy@panix.com> - 2011-12-24 10:57 -0500
    Re: How to check for single character change in a string? Roy Smith <roy@panix.com> - 2011-12-24 11:10 -0500
      Re: How to check for single character change in a string? Arnaud Delobelle <arnodel@gmail.com> - 2011-12-24 17:09 +0000
        Re: How to check for single character change in a string? Rick Johnson <rantingrickjohnson@gmail.com> - 2011-12-24 10:22 -0800
      Re: How to check for single character change in a string? tinnews@isbd.co.uk - 2011-12-26 22:37 +0000
  Re: How to check for single character change in a string? Ian Kelly <ian.g.kelly@gmail.com> - 2011-12-24 08:57 -0700

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