查找某个字串出现的次数及位置 public class search { public static void main(String[] args){ String str = "abc123abcd1234"; String searchStr ="bc"; int count = getStrCount(str,searchStr); System.out.println("count is: "+ count); } public sta…
要查找某个指定的字符在字符串中出现的位置,方法比较简单,使用 len() 函数和 replace() 函数结合就可以. SELECT TOP 200 approveInfo approveInfo2, LEN(approveInfo)-LEN(REPLACE(approveInfo,';','')) AS appLen, * FROM dbo.Log_Year WHERE ISNULL(approveInfo,'')<>'' ORDER BY appLen DESC 原理:字符串的长度 减去…
题目链接:https://vjudge.net/contest/237395#problem/A 学习博客:https://blog.csdn.net/lyy289065406/article/details/6647413 You have just moved from Waterloo to a big city. The people here speak an incomprehensible dialect of a foreign language. Fortunately, yo…