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Syntax
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Val
(string_expression)
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Description
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Converts a given string expression to a number.
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Comments
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The number parameter can contain any of the following:
- Leading minus sign (for nonhex or octal numbers only)
- Hexadecimal number in the format &Hhexdigits
- Octal number in the format &Ooctaldigits
- Floating-point number, which can contain a decimal point and an optional exponent
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Spaces, tabs, and line feeds are ignored.
If number does not contain a number, then 0 is returned.
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The
Val
function continues to read characters from the string up to the first nonnumeric character.
The
Val
function always returns a double-precision floating-point value. This value is forced to the data type of the assigned variable.
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Example
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This example inputs a number string from an InputBox and converts it to a number variable.
Sub Main()
a$ = InputBox("Enter anything containing a number","Enter Number")
b# = Val(a$)
MsgBox "The value is: " & b#
End Sub
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'The following table shows valid strings and their numeric equivalents:
' "1 2 3" 123
' "12.3" 12.3
' "&HFFFF" -1
' "&O77" 63
' "12.345E-02" .12345
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See Also
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CDbl (function); Str, Str$ (functions).
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