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hex function - Convert hexadecimal string to decimal number
You can use the hex function to convert a hexadecimal string to a decimal number.
Hexadecimal to Decimal Conversion
Use the hex function to convert from hexadecimal to decimal.
my $digit = hex('FF');
Hexadecimal FF is decimal 255.
In the example, 'FF' is passed as an argument, but even if 0x is added at the beginning like '0xFF', it will be converted correctly.
A little more about base conversion
You can use oct function to convert from octal to decimal.
If you want to know a little more about binary conversion such as binary, octal, hexadecimal, etc., please refer to the following articles.