参考文档 https://blog.csdn.net/hs_shengxiaguangnian/article/details/112586059
// 原始
SELECT * FROM `tablename` where keyword like '%手机%' or keyword like '%漫画%' or keyword like '%嘿嘿%' or keyword like '%直播%'
// 简化
SELECT * FROM `tablename` where keyword REGEXP '动漫|漫画|嘿嘿|直播'
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