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=FINDB()
Returns the position of a text in another text in bytes (DBCS, for double-byte languages) — like FIND but byte-based
Applies To:
Excel for Microsoft 365Excel for Microsoft 365 for MacExcel 2024Excel 2024 for MacExcel 2021Excel 2021 for MacExcel 2019Excel 2016
=FINDB(find_text, within_text, [start_num])
Hover argument names in the table for details.
Output typeText
Popularity36 / 100
VolatileNo
Dynamic ArrayNo
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A dedicated .xlsx for =FINDB() with Persian sample data & live formulas — open in Excel and practice.
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◧ Arguments
| Argument | Type | Required | Description |
|---|---|---|---|
find_text |
Text | Required | The text to search for — case-sensitive; counted in bytes |
within_text |
Text | Required | The text to search in |
start_num |
Number | Optional | Starting position (in bytes) — optional, default 1 |
▣ Examples
3 — each Persian letter is 2 bytes
=FINDB("m","Hello",1)
8
=LENB("Hello")
✦ Tips
- For single-byte text it is equivalent to FIND.
- Each DBCS character (Persian/Japanese) counts as 2 bytes.
⚠ Common Errors
#VALUE!
The text was not found, or start_num is invalid
Fix: Existing text and start_num within range
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