How to find nth occurrence (position) of a character in text string in Excel?
For example, there is a long sentence in Cell A1, see the following screenshot. And now you need to find the 3rd occurrence or position of Character "c" from the text string in Cell A1. Of course, you can count the characters one by one, and get the exact position result. However, here we are going to introduce some easy tips to find the nth occurrence or position of specific character from text string in a cell.
Count times a word(count times of a specific word appears in a single cell or a range .）

Recommended Productivity Tools
Office Tab: Bring handy tabs to Excel and other Office software, just like Chrome, Firefox and new Internet Explorer.Try now
Kutools for Excel: 200 new features for Excel, make Excel much easy and powerful, increase productivity immediately.Try now
Find nth occurrence (position) of a character in a Cell with Find formula
There are two Find formulas can help you find the nth occurrence or position of specific character from text string in a cells quickly.
The following formula will show you how to find the 3rd occurrence of "c" in Cell A1.
Find Formula 1
In a blank cell, enter the formula =FIND("c",A1,FIND("c",A1)+2).
And then press the Enter key. The position of the third letter “c” has been displayed.
Note: You can change the 2 in the formula based on your needs. For example, if you want to find the fourth position of "c", you can change the 2 to 3. And if you want to find the first position of "c", you shuold change 2 to 0.
Find formula 2
In a blank cell, enter the formula =FIND(CHAR(1),SUBSTITUTE(A1,"c",CHAR(1),3)), and press Enter key.
Note: The "3" in the formula means the third "c", you can change it based on your needs.
> Find nth occurrence (position) of a character in a Cell with VBA
Actually, you can apply the VB macro to find nth occurrence or position of a specific character in one cell easily.
Step 1: Hold down the ALT + F11 keys, and it opens the Microsoft Visual Basic for Applications window.
Step 2: Click Insert > Module, and paste the following macro in the Module Window.
VBA: Find the nth position of a charater.
Function FindN(sFindWhat As String, _ sInputString As String, N As Integer) As Integer Dim J As Integer Application.Volatile FindN = 0 For J = 1 To N FindN = InStr(FindN + 1, sInputString, sFindWhat) If FindN = 0 Then Exit For Next End Function
Step 3: Now if you want find the exact occurrence of position of third "c" in Cell A1, please enter the formula of =FindN("c",A1,3), and press the Enter key. Then it will return the exact position in the specific cell at once.
Find nth occurrence (position) of a character in a Cell with Kutools for Excel
If you like neither of formula and VBA, you can try a handy tool – Kutools for Excel, with its Formula groups, you can find a utility – Find nth occurrence of a character to quickly return the nth position of a character in a cell.
Kutools for Excel, with more than 120 handy Excel functions, enhance your working efficiency and save your working time.  
After free installing Kutools for Excel, please do as below:
1. Select a cell you want to return the result and click Kutools > Formulas > Find nth occurrence of a character. See screenshot:
2. Then in the popping Formula Helper dialog, do as below:
2) Type the character you want to find around with double quotations “” into Character textbox;
3) Type the nth occurrence of character into Nth occurrence textbox.
3. Click Ok. And you get the position of nth occurrence of a character in a string.
Find Nth Occurrence Of A Character In A String
If you are interested in this addiin, download the 60days free trial. 
Count Weekdays/Weekends/Specific Weekday between two dates 
Supposing you have a two given dates, one is start date and another is end date, how can you quickly count the workday, weekend or a specific weekday such as Monday between thses date range? If you are interesed, you can try on Kutools for Excel's Count weekdays/weekends/specific weekday utilities. 
Recommended Productivity Tools
Office Tab
Bring handy tabs to Excel and other Office software, just like Chrome, Firefox and new Internet Explorer.
Kutools for Excel
Amazing! Increase your productivity in 5 minutes. Don't need any special skills, save two hours every day!
200 New Features for Excel, Make Excel Much Easy and Powerful:
 Merge Cell/Rows/Columns without Losing Data.
 Combine and Consolidate Multiple Sheets and Workbooks.
 Compare Ranges, Copy Multiple Ranges, Convert Text to Date, Unit and Currency Conversion.
 Count by Colors, Paging Subtotals, Advanced Sort and Super Filter,
 More Select/Insert/Delete/Text/Format/Link/Comment/Workbooks/Worksheets Tools...