How to Insert Character at Specific Index in String in Perl

How to Insert Character at Specific Index in String in Perl ?

Answer

To insert a character at a specific index in a string in Perl, you can use string interpolation or the `substr()` function.


✐ Examples

1 Insert '!' at index 5 in "Hello World"

In this example,

  1. We create a string named $str with a value of "Hello World".
  2. We use string interpolation to insert the character '!' at index 5.
  3. Finally, we print the modified string $str.

Perl Program

$str = 'Hello World';
substr($str, 5, 0) = '!';
print $str;

Output

Hello! World

Summary

In this tutorial, we learned How to Insert Character at Specific Index in String in Perl language with well detailed examples.


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