Create ch-330.pl

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diff --git a/challenge-330/woznotwoz/perl/ch-330.pl b/challenge-330/woznotwoz/perl/ch-330.pl
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+#! perl
+use v5.40.0;
+use Test2::V0 -no_srand => 1;
+
+is remove_digits('cab12'),     'c',  'first example';
+is remove_digits('xy99'),       '',  'second example';
+is remove_digits('99999xy'),  'xy',  'third example';
+done_testing;
+
+sub remove_digits ($str) {
+    $str = substr($str,1) while $str =~ /^\d/;
+    while ($str =~ /\d/) {
+        $str =~ s/.\d//;
+    }
+    $str;
+}