题解 | #查找字符串中逗号出现的次数#
查找字符串中逗号出现的次数
https://www.nowcoder.com/practice/e3870bd5d6744109a902db43c105bd50
SELECT id, LENGTH(REGEXP_REPLACE(string, '[A-Za-z0-9]', '')) AS cnt FROM strings
查找字符串中逗号出现的次数
https://www.nowcoder.com/practice/e3870bd5d6744109a902db43c105bd50
SELECT id, LENGTH(REGEXP_REPLACE(string, '[A-Za-z0-9]', '')) AS cnt FROM strings
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