How do I find the second last occurrence of a character in a string in python?

“python find second last occurrence in string” Code Answer

1. original_string = “sentence one. sentence two. sentence three”
2. ​
3. last_char_index = original_string. rfind(“.”)
4. new_string = original_string[:last_char_index] + “,” + original_string.
5. print(new_string)
6. “sentence one. sententce two, sentence three”

How do you find the second occurrence of a character in a string in Java?

int first = string. indexOf(“is”); int second = string. indexOf(“is”, first + 1);

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

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. See example below.

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

To get the position of the 2nd, 3rd, 4th, etc. instance of a specific character inside a text string, you can use the FIND and SUBSTITUTE functions. Next, FIND locates the “~” inside this string and returns the position, which is 7 in this case. Note: we use “~” in this case only because it rarely occurs in other text.

How do you find the second occurrence of a value in Excel?

You need to enter it with CTRL + SHIFT + ENTER.

1. Range: the range in which you want to lookup nth position of value.
2. Value: the value of which you are looking nth position in the range.
3. First_cell_in_range: the first cell in the range.
4. n: the occurrence number of values.
5. Example: Find the Second Match in Excel.

How do you find the nth occurrence of a string?

You can find the nth occurrence of a substring in a string by splitting at the substring with max n+1 splits. If the resulting list has a size greater than n+1, it means that the substring occurs more than n times.