Data update

Task/Strip-comments-from-a-string/DuckDB/strip-comments-from-a-string.duckdb

@@ -0,0 +1,16 @@
+# `sep` can be a single character or a string but it will be interpreted
+# as part of a regexp within square brackets, so be careful if characters
+# such as `-` are used.
+create or replace function remove_comment(s, sep) as (
+  regexp_replace(s, '\s*[' || sep || '].*', '')
+);
+
+# Examples
+
+select s,
+       remove_comment(s, '#') as decommented,
+       regexp_replace(decommented, ' ', '_','g') as visible
+from unnest(
+   ['apples ; pears # and bananas',
+    'apples # pears ; and bananas']
+  ) _s(s);