Testing if string contains a substring
roy at panix.com
Wed Apr 23 16:58:07 CEST 2003
Frantisek Fuka <fuka at fuxoft.cz> wrote:
>I want a simple test to see if str contains any occurences of substr. I
>am currently using this:
>if string.find(str,substr) + 1:
> ...do something...
>But it somehow looks "ugly" to me. Is there more "standard" way to test
My first comment would be that adding 1 to the result of string.find
is quite ugly. The code is much more readable if you simply test for
equality to -1.
Next, the string module is rather out-dated. It's nicer to use the
new (in 2.0, I think) string methods. So you end up with:
if str.find (substr) == -1:
which I think is pretty clean.
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