How to get First Character in String in Perl


How to get First Character in String in Perl ?

Answer

In Perl, you can use array-like indexing or the substr function to get the first character of a string.

How to get First Character in String in perl language

✐ Examples

1 Get First Character of "Hello World" String

In this example,

  1. We assign a string variable named $str with a value of "Hello World".
  2. We then access the first character using array-like indexing with index 0 on the string $str or the substr function with parameters 0 and 1 to get the first character.
  3. Finally, we print the first character.

Perl Program

$str = "Hello World";
$first_char = substr($str, 0, 1);
print "First character: $first_char\n";

Output

First character: H

2 Get First Character of "apple" String

In this example,

  1. We assign a string variable named $str with a value of "apple".
  2. We then access the first character using array-like indexing with index 0 on the string $str or the substr function with parameters 0 and 1 to get the first character.
  3. Finally, we print the first character.

Perl Program

$str = "apple";
$first_char = substr($str, 0, 1);
print "First character: $first_char\n";

Output

First character: a

Summary

In this tutorial, we learned How to get First Character in String in Perl language with well detailed examples.




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