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Ruby | String hex Method
  • Last Updated : 09 Dec, 2019

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:



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

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Output:

1193592
0

Example 2:

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

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Output:

-554611
8874716
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