Ruby | String hex Method

hex is a String class method in Ruby which is used to treats the leading characters from the given string as a string of hexadecimal digits (with an optional sign and an optional 0x) and returns the corresponding number. Zero is returned on error.

Syntax: str.hex

Parameters: Here, str is the given string.

Returns: A corresponding number.

Example 1:

# Ruby program to demonstrate
# the hex method

# Taking a string and
# using the method
puts "123678".hex
puts "Ruby".hex

Output:

1193592
0

Example 2:

# Ruby program to demonstrate
# the hex method

# Taking a string and
# using the method
puts "-87673".hex
puts "0x876adc".hex

Output:

-554611
8874716