Perl·Perl essentials

Regular expressions

Perl’s regex engine is a core strength for matching and replacing text.

Beginner 10 min read Lesson 3 of 150 Challenge included
What you will be able to do
  • Match with =~ /pattern/.
  • Capture with parentheses.
  • Replace with s///.

In plain English

Perl’s regex engine is a core strength for matching and replacing text.

  • Match with =~ /pattern/.
  • Capture with parentheses.
  • Replace with s///.
regex.plPERL
my $text = "css-18";
if ($text =~ /([a-z]+)-(\d+)/) {
  print "$1 has $2 minutes\n";
}
Your turn

Explain it back

Easy

Answer from memory: Which operator binds a string to a regex match?

TEXT · starter
Your answer…
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Knowledge checkQuestion 1

Which operator binds a string to a regex match?

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Lesson 3 of 150 · 0% of course