match方法 var str = "iid0000ffr"; var substr = str.match(/id(\S*)ff/); console.log(substr) 返回结果为:["id0000ff", "0000"] ()里的\S*表达式匹配所有字符串 在高级语言里,我们会用一个叫数量词的概念: (?=ff)这表示以ff结尾的前面的字符串,但不包括ff var str = "iid0000ffr"; var su
Given two words word1 and word2, find the minimum number of steps required to convert word1 to word2. (each operation is counted as 1 step.) You have the following 3 operations permitted on a word: a) Insert a characterb) Delete a characterc) Replace
select SUBSTRING(templatepath,CHARINDEX('/',templatepath)+1,CHARINDEX('.', templatepath)-CHARINDEX('/', templatepath)-1)as tt from tz_tasktemplate order by templatecode desc
public static int minDistance(String word1, String word2) { char[] s1 = word1.toCharArray(); char[] s2 = word2.toCharArray(); int len1 = s1.length; int len2 = s2.length; int N = Math.max(len1, len2); int[][] d = new int[N + 1][N + 1]; for (int i = 0;