IsHexa
Result = IsHexa ( Expr AS String ) AS Boolean
Result = Hexa? ( Expr AS String ) AS Boolean
如果字符串
Expr 仅仅包含十六进制数字，返回
TRUE。
十六进制数字是下列字符之一：[
0123456789ABCDEFabcdef ]。
示例
PRINT IsHexa("9A177BA5")
PRINT IsHexa("GAMBAS"), IsHexa(""), IsHexa(NULL)
参见