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Ruby | String insert Method

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insert is a String class method in Ruby which is used to inserts the specified string before the character at the given index, modifying the given one. Negative indices count from the end of the string, and insert after the given character.
Syntax: str.insert(index, other_str) Parameters: Here, str is the given string. Returns: A modified string.
Example 1:
# Ruby program to demonstrate 
# the insert method 
       
# Taking a string and 
# using the method
puts "Ruby".insert(0, 'Z')  
puts "Program".insert(3, 'Z')   

                    
Output:
ZRuby
ProZgram
Example 2:
# Ruby program to demonstrate 
# the insert method 
       
# Taking a string and 
# using the method
puts "Sample".insert(-4, 'Z')  
puts "Articles".insert(-5, 'Z')   

                    
Output:
SamZple
ArtiZcles

Last Updated : 09 Dec, 2019
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