[buburuzu19]

My problem is the next. I want the easiest way for detect a string if contains only numbers or numbers and characters or only characters.

What can i use?

Please don't reply me with IsNumeric stock because this make server crash.

[Vince]

I'm gonna say IsNumeric and if it makes your server crash you're using it wrong. Alternatively you may use sscanf with quiet specifiers.

PHP код:

IsNumeric(string[]) return !sscanf(string, "{d}");