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diff --git a/challenge-330/luca-ferrari/plpgsql/ch-1.sql b/challenge-330/luca-ferrari/plpgsql/ch-1.sql
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+--
+-- Perl Weekly Challenge 330
+-- Task 1
+-- See <https://perlweeklychallenge.org/blog/perl-weekly-challenge-330>
+--
+
+CREATE SCHEMA IF NOT EXISTS pwc330;
+
+CREATE OR REPLACE FUNCTION
+pwc330.task1_plpgsql( s text )
+RETURNS text
+AS $CODE$
+DECLARE
+
+BEGIN
+	WHILE regexp_match( s, '[a-z][0-9]' ) IS NOT NULL LOOP
+	      s := regexp_replace( s, '([a-z])([0-9])', '' );
+	END LOOP;
+
+	RETURN s;
+END
+$CODE$
+LANGUAGE plpgsql;