小括号转义 '\\(' 或 '\\)'
select split("2405F5 (base 16) Integrated Device Technology (Malaysia) Sdn. Bhd.","\\(base 16\\)")[0]
输出结果为: 2405F5
select split("2405F5 (base 16) Integrated Device Technology (Malaysia) Sdn. Bhd.","\\(base 16\\)")[0]
输出结果为: 2405F5