Write a Python program to print the index of a character in a string.Sample Solution:Python Code:# Define a string 'str1'. str1 = "w3resource" # Iterate through the characters of the string using enumeration. # 'index' contains the position of the character, and 'char' contains the ch...
defindex_of_substring(string,substring):string_list=list(string)forindex,charinenumerate(string_list):ifchar==substring[0]:# 判断当前字符是否与子字符串的第一个字符相同ifstring[index:index+len(substring)]==substring:# 判断当前字符后续字符是否与子字符串匹配returnindexreturn-1 1. 2. 3. 4. 5. ...
serach);System.out.println(index); }/** * indexOf 算法原理 *@paramorgin 原始字符串 B = “边叫边练,我喜欢叫练”; *@paramserachString 匹配字符串 A=“叫练” *@returnint 下标 */publicstaticintindexOf(Stringorgin,StringserachString) { char[] chars...
out.println(index); } /** * indexOf 算法原理 * @param orgin 原始字符串 B = “边叫边练,我喜欢叫练”; * @param serachString 匹配字符串 A=“叫练” * @return int 下标 */ public static int indexOf(String orgin,String serachString) { char[] chars = orgin.toCharArray(); char[] s...
}/*** indexOf 算法原理 *@paramorgin 原始字符串 B = “边叫边练,我喜欢叫练”; *@paramserachString 匹配字符串 A=“叫练” *@returnint 下标*/publicstaticintindexOf(String orgin,String serachString) {char[] chars =orgin.toCharArray();char[] sChars =serachString.toCharArray();//返回字符串...
C++ program to find the last index of a character in a string #include<iostream>#include<string.h>usingnamespacestd;//function to get lastt index of a characterintgetLastIndex(char*s,charc){intlength;inti;//loop counter//get lengthlength=strlen(s);//run loop from length-1 to 0for(...
在JavaScript中,未知字符代码可能会导致IndexOf函数返回-1。在处理文本时,有时我们会遇到一些特殊字符或者不可见的字符,这些字符可能由于编码问题或者其他原因导致无法正确解析或匹配。 当...
在python中，语法错误是直接显示在相关终端窗口，而异常可以进行错误提示，也可以进行捕捉处理。 当我们写...
Error message " New-ADUser : No superior reference has been configured for the directory service. The directory service is therefore unable to issue referrals to objects outside this forest At line:25 char:15" error message with a script sending emails to multiple recipients. error on all comma...
#include<iostream> using namespace std; int getLastIndex(string& str, char ch) { for (int i = str.length() - 1; i >= 0; i--) if (str[i] == ch) return i; return -1; } int main() { string str = "hello"; char ch = 'l'; int index = getLastIndex(str, ch); if...