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("diego dias" =~ /./).each{ println it }

//filtra a collection
assert ["foo", "moo"] == ["foo", "bar", "moo"].grep(~/.*oo$/)
assert ["foo", "bar"] == ["baz", "foo", "fizz", "bar"].grep(~/(foo|bar)/)
["carro", "bola", "sorvete", 12345, "diego"].grep(~/...../)