###Function###
StringIsDigit

###Description###
Checks if a string contains only digit (0-9) characters.

###Syntax###
StringIsDigit ( "string" )


###Parameters###
@@ParamTable@@
string
	The string to check
@@End@@


###ReturnValue###
@@ReturnTable@@
Success:	Returns 1.
Failure:	Returns 0 if string contains non-digits.
@@End@@


###Remarks###
See examples.


###Related###
StringIsAlNum, StringIsAlpha, StringIsASCII, StringIsLower, StringIsSpace, StringIsUpper, StringIsXDigit, StringIsInt


###Example###
@@IncludeExample@@
