How to Remove last N Characters in a String in Ruby


How to Remove last N Characters in a String in Ruby ?

Answer

To remove the last N characters of a string in Ruby, you can use string's slice method with the range from 0 to -N.



✐ Examples

1 Removing Last 3 Characters from "Hello World" String

In this example,

  1. We declare a string variable named str1 with a value of "Hello World".
  2. We use the slice method with the range from 0 to -3 to remove the last 3 characters.
  3. Finally, we print the modified string.

Ruby Program

str1 = 'Hello World'
modified_str = str1[0..-4]
puts 'Modified string is: ' + modified_str

Output

Modified string is: Hello Wo

2 Removing Last 2 Characters from "apple" String

In this example,

  1. We declare a string variable named str2 with a value of "apple".
  2. We use the slice method with the range from 0 to -2 to remove the last 2 characters.
  3. Finally, we print the modified string.

Ruby Program

str2 = 'apple'
modified_str = str2[0..-3]
puts 'Modified string is: ' + modified_str

Output

Modified string is: app

Summary

In this tutorial, we learned How to Remove last N Characters in a String in Ruby language with well detailed examples.




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