Re: Best way to check if string is an integer?

On Apr 5, 6:19 pm, skanem...@xxxxxxxx wrote:
which is the best way to check if a string is an number or a char?
could the 2nd example be very expensive timewise if i have to check a
lot of strings?

You might be interested in str.isdigit:

print str.isdigit.__doc__
S.isdigit() -> bool

Return True if all characters in S are digits
and there is at least one character in S, False otherwise.

Mark
.

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