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Ruby | String hex Method

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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

Last Updated : 09 Dec, 2019
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