How do I change the last occurrence of a string?

How do I change the last occurrence of a string?

7 Answers. Find the index of the last occurrence of the substring. String myWord = “AAAAAasdas”; String toReplace = “AA”; String replacement = “BBB”; int start = myWord. lastIndexOf(toReplace);

How do I change the last occurrence of a string in Python?

Call str. rfind(char) to get the index of the last occurrence of char in str . Use the syntax str[:index] + “c” + str[index+1:] to replace the character located at index with “c” in str .

Does string replace replacing all occurrences?

3.1 The difference between replaceAll() and replace() If search argument is a string, replaceAll() replaces all occurrences of search with replaceWith , while replace() only the first occurence. If search argument is a non-global regular expression, then replaceAll() throws a TypeError exception.

How do you find the last occurrence of a substring in a string?

The rfind() method finds the last occurrence of the specified value. The rfind() method returns -1 if the value is not found. The rfind() method is almost the same as the rindex() method.

How do you replace the last character of a string with another character in Java?

There are four ways to remove the last character from a string:

1. Using StringBuffer. deleteCahrAt() Class.
2. Using String. substring() Method.
3. Using StringUtils. chop() Method.
4. Using Regular Expression.

How do you replace the last occurrence of a character in a string?

To replace the last occurrence of a character in a string in JavaScript, we can use the JavaScript string replace method with a regex. to remove the underscore before the ‘c’ character. To do that, we call replace with a regex that searches for the last instance of an underscore with a character after it.

How do I remove the last occurrence of a string in Python?

rstrip. The string method rstrip removes the characters from the right side of the string that is given to it. So, we can use it to remove the last element of the string. We don’t have to write more than a line of code to remove the last char from the string.

How do you replace all occurrences of a string in Java?

Java String replaceAll() example: replace word

1. public class ReplaceAllExample2{
2. public static void main(String args[]){
3. String s1=”My name is Khan. My name is Bob. My name is Sonoo.”;
4. String replaceString=s1.replaceAll(“is”,”was”);//replaces all occurrences of “is” to “was”
5. System.out.println(replaceString);
6. }}

How do you find last occurrence of a character in a string?

The strrchr() function finds the last occurrence of c (converted to a character) in string . The ending null character is considered part of the string . The strrchr() function returns a pointer to the last occurrence of c in string . If the given character is not found, a NULL pointer is returned.

How do you find last occurrence of a character in a string in Excel?

You can use any character you want. Just make sure it’s unique and doesn’t appear in the string already. FIND(“@”,SUBSTITUTE(A2,”/”,”@”,LEN(A2)-LEN(SUBSTITUTE(A2,”/”,””))),1) – This part of the formula would give you the position of the last forward slash.

How to replace the last occurrence of a string in Python?

Here is the function to replace the last occurrence of a string public static string ReplaceLastOccurrence (string Source, string Find, string Replace) { int place = Source.LastIndexOf (Find); if (place == -1) return Source; string result = Source.Remove (place, Find.Length).Insert (place, Replace); return result; }

How to replace terms in a string except for the last 8?

10 Python: replace terms in a string except for the last 8 How to replace all occurences except the first one? 1 remove a character from all strings in a list 2 Rename directory’s recursively in Python

What is the difference between source and replace?

Sourceis the string on which you want to do the operation. Findis the string that you want to replace. Replaceis the string that you want to replace it with. Share Improve this answer Follow edited Jan 13 ’16 at 12:22 answered Feb 12 ’13 at 5:33 Behroz SikanderBehroz Sikander 3,32433 gold badges1717 silver badges3535 bronze badges 9

How to find the index of the last occurrence of string?

Use string.LastIndexOf()to find the index of the last occurrence of the string and then use substring to look for your solution. Share Improve this answer Follow