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Oracle提示无效数字
2022-06-11 06:35:00 【CSDN问答】
各位好，我想问个问题:Oracle从varchar2插入到number（8,3）数据，就是之前都能插入，这次因为数据里面有一个负数（-1697.8）了，最后就开始报无效数字的错误，于是想用to_number函数去转换成数值型，但是转完的数据小数点也被替换了，是这里的正则式写错了吗，能怎么改吗，因为数据没办法修改，
to_number（regexp_replace（'-1699.8'，[^0-9]，''）），
像这样小数点就被转换为空了，数据最后变成了-16998了，如果想要保留小数点的话，正则式该怎么写呢，因为不用替换函数，直接用to_number也报错，感谢回复
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