functionfilterString(input){constunwantedChar="#";if(input.includes(unwantedChar)){console.log(`Input contains forbidden character:${unwantedChar}`);returninput.replace(/#/g,"");// 移除字符#}returninput;}letresult=filterString("Hello#World");console.log(result);// 输出: HelloWorld 1. 2. 3...
The indexOf function is a method of the String object, so to find the position of a string within the "foo" variable above we would use foo.indexOf(). This returns an integer value where 0 is the first character in the string. If the string to look for is not found, -1 is retur...
"System.Int64". Error: "Input string was not in a correct format "System.Object[]" "telnet" connection test to different servers on different ports "Unable to find a default server with Active Directory Web Services running" when calling a script with Import-module AD "Unable to process the...
Sample Output: Original String: wresource First unique character of the above: 0 Flowchart: For more Practice: Solve these Related Problems: Write a Java program to find the index of the first non-repeating vowel in a given string. Write a Java program to find the index of the last unique...
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(...
index.if(i!=j&&str1.charAt(i)==str1.charAt(j)){// If found, set unique to false and break the loop.unique=false;break;}}// If the character at index 'i' is unique, print it and exit the loop.if(unique){System.out.println("The first non-repeated character in the String is:...
python之string模块的find 函数原型:find(str,pos_start,pos_end) 解释:str:被查找“字串”(气味字符串的函数);pos_start:查找的首字母位置(从0开始计数。默认:0);pos_end:查找的末 尾位置(不包括末尾位置。默认-1) 返回值:如果查到:返回查找的第一个出现的额位置,否则,返回-1。
Suppose we have a string str. We have another character ch. Our task is to find the last index of ch in the string. Suppose the string is “Hello”, and character ch = ‘l’, then the last index will be 3. To solve this, we will traverse the list from right to left, if the...
AispresentinthelistXisnotpresentinthelist Copy Recommended Reading:Python f-strings. Let’s look at another example where we will ask the user to enter the string to check in the list. l1=['A','B','C','D','A','A','C']s=input('Please enter a character A-Z:\n')ifsinl1:pri...
In this article, we will learn about different methods to find substring within a string in JavaScript, including Regular expressions and built-in JavaScript methods.