presto-main/src/main/java/io/prestosql/operator/scalar/Re2JRegexpFunctions.java/Re2JRegexpFunctions/regexpExtractAll
class Re2JRegexpFunctions:    @Description("group(s) extracted using the given pattern")
    @ScalarFunction
    @LiteralParameters("x")
    @SqlType("array(varchar(x))")
    public static Block regexpExtractAll(@SqlType("varchar(x)") Slice source, @SqlType(Re2JRegexpType.NAME) Re2JRegexp pattern, @SqlType(StandardTypes.BIGINT) long groupIndex)
    {
        return pattern.extractAll(source, groupIndex);
    }