Perl 5 version 14.2 documentation
hex
- hex
Interprets EXPR as a hex string and returns the corresponding value. (To convert strings that might start with either
0
,0x
, or0b
, see oct.) If EXPR is omitted, uses$_
.Hex strings may only represent integers. Strings that would cause integer overflow trigger a warning. Leading whitespace is not stripped, unlike oct(). To present something as hex, look into printf, sprintf, and unpack.