
π This article includes 1 downloadable practice file β
In this article
SUBSTITUTE replaces existing text with new text β all occurrences or just the n-th one.
Syntax
=SUBSTITUTE(text, old_text, new_text, [instance_num])
| Argument | What it means |
|---|---|
instance_num |
Which occurrence to replace (all if omitted). |
Examples
Example 1
=SUBSTITUTE(A2, "-", "")
Remove all dashes from a phone number.
Example 2
=LEN(A2)-LEN(SUBSTITUTE(A2, ",", ""))+1
Count items in a comma list.
Power combo
=TRIM(RIGHT(SUBSTITUTE(A2, " ", REPT(" ", 100)), 100))
Last word of a text in every Excel version.
SUBSTITUTE in practice
Where you will use it
- Remove spaces or dashes from mobile numbers
- Replace old product names
- Count occurrences of a character with LEN
Worked example
| Text | Formula | Result |
|---|---|---|
| 98765 43210 | =SUBSTITUTE(SUBSTITUTE(A2," ",""),"-","") | 9876543210 |
| 91234-56789 | =SUBSTITUTE(SUBSTITUTE(A3," ",""),"-","") | 9123456789 |
| Pvt. Ltd. | =SUBSTITUTE(SUBSTITUTE(A4," ",""),"-","") | Pvt.Ltd. |
Results calculated in Excel.
Mistakes people make
| Mistake | What to do instead |
|---|---|
| Case sensitivity | SUBSTITUTE is case-sensitive; LOWER both sides if needed |
| Replacing only one occurrence | Use the 4th argument for the instance |
Related functions
π Part of the free Excel course: Beginner β Expert Β· Try it in the Formula Lab or ask the AI Helper.
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π Practice files for this article
- πPractice workbook: Text & cleaning24 tasks on realistic sales data β type your formula, the Check column turns green when it is right. Answers sheet included.β¬ XLSX Β· 35 KB
Free to use for learning. Files with macros (.bas) are plain text β import them with Alt+F11 β File β Import File, and always test on a copy.
Atul (AJ) builds office-automation and local-first AI tools as Atulya AI, and works with Excel, SAP and Oracle EPM every day. He writes about the shortcuts, macros and automations that actually save time β plus the occasional wacky fact. Videos on YouTube: Lazy Automator AI (@LazyAutomatorAI).
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This page is a quick function reference. Use it for syntax, then practise the function in a broader workflow.
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