How does atomic groups and possessive quantifiers interact with Unicode and encodings?

Atomic groups and possessive quantifiers in Perl can affect how Unicode characters are matched and encoded. Understanding their interaction is crucial when dealing with text containing multiple languages and special characters.

Atomic groups, possessive quantifiers, Perl, Unicode, encodings


        // Example of using atomic groups and possessive quantifiers in Perl
        $string = "abc123xyz";
        if ($string =~ /(?>abc)(*+123)/) {
            echo "Matched: " . $1; // Output: Matched: abc
        } else {
            echo "No match";
        }