HEXVAL Function

integer-value = HEXVAL(string-value)

Returns the integer value of a string containing a hexadecimal number. The string must consist only of valid hex digits (0–9, A–F, a–f).

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Examples

PRINT HEXVAL("FF")

Produces 255.

PRINT HEXVAL("deadbeef")

Produces 3735928559.

REM Convert user input
INPUT "Enter a hex number > " ; h$
val = HEXVAL(h$)
PRINT "You entered decimal "; val

REM Round-trip using HEX$
n = &2A        REM hex literal in source
h$ = HEX$(n)
PRINT h$; " = "; HEXVAL(h$)

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Notes

• Parsing is case-insensitive: "FF", "Ff", and "ff" all return 255.
• Returns a 64-bit integer.
• If the string is empty, or contains any non-hex character, the return value is 0.

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See also: HEX$ · STR$