Raku solutions to Week 330 by @ash

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diff --git a/challenge-330/ash/raku/ch-1.raku b/challenge-330/ash/raku/ch-1.raku
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+# Task 1 of the Weekly Challenge 330
+# https://theweeklychallenge.org/blog/perl-weekly-challenge-330/#TASK1
+
+say clear-digits('cab12');  # c
+say clear-digits('xy99');   # ''
+say clear-digits('pa1erl'); # perl
+
+sub clear-digits($str) {
+    my $cln = S/<:L>\d// with $str;
+    return $cln eq $str ?? $cln !! clear-digits($cln);
+}
diff --git a/challenge-330/ash/raku/ch-2.raku b/challenge-330/ash/raku/ch-2.raku
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+# Task 2 of the Weekly Challenge 330
+# https://theweeklychallenge.org/blog/perl-weekly-challenge-330/#TASK2
+
+say title-capital('PERL IS gREAT');        # Perl is Great
+say title-capital('THE weekly challenge'); # The Weekly Challenge
+say title-capital('YoU ARE A stAR');       # You Are a Star
+
+sub title-capital($str is copy) {
+    $str ~~ s:g/(\w+)/{$0.chars < 3 ?? $0.lc !! $0.tclc}/;
+
+    return $str;
+}