题解 | #评论替换和去除#
评论替换和去除
https://www.nowcoder.com/practice/0038f5db08a64ec2851f2e219a06a121
方法一:replace select id,replace(comment,',','') comment from comment_detail where char_length(comment) > 3 方法二:正则 select id,regexp_replace(comment,',','') comment from comment_detail where char_length(comment) > 3