How to generate a alpha or a digit randomly?

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A

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From the past posted, I know

char c = (char)rnd.Next('a', 'z' + 1);
can generate a alpha randomly.

But now I want to generate a alpha or a digit randomly. ('0'..'9' or
'a'..'z')

How can I do?
 
From the past posted, I know

char c = (char)rnd.Next('a', 'z' + 1);
can generate a alpha randomly.

But now I want to generate a alpha or a digit randomly. ('0'..'9' or
'a'..'z')

How can I do?
Click to expand...
char RandomChar() {
const string characters = "abcdefghijklmnopqrstuvwxyz0123456789";
return characters[rnd.Next(0, characters.Length)];
}

rossum
 

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