Midb Formula

Returns a substring starting at start_byte with a given byte count.

Syntax

Formula structure

Source: Quadratic docs
=MIDB(s, start_byte, byte_count)
s
Required: Yes

Required argument used by the MIDB formula.

start_byte
Required: Yes

Required argument used by the MIDB formula.

byte_count
Required: Yes

Required argument used by the MIDB formula.

Examples for the midb formula

Copy these examples into a spreadsheet and adjust the ranges for your own data.

MIDB syntax pattern

=MIDB(s, start_byte, byte_count)

Use this MIDB pattern as the starting point for your spreadsheet formula.

MIDB in a worksheet

=MIDB("Text", start_byte, byte_count)

Returns a substring starting at start_byte with a given byte count.

When to use MIDB

Use MIDB when you need to return a substring starting at start_byte with a given byte count.

  • Clean, reshape, and compare text values.
  • Prepare labels, IDs, and imported text for analysis.

How MIDB works in Quadratic

In Quadratic, MIDB follows the syntax MIDB(s, start_byte, byte_count). The function works inside Quadratic formulas and can be combined with spreadsheet ranges, tables, and other formulas.

Common MIDB mistakes

Most MIDB issues come from mismatched argument types, ranges that do not cover the intended data, or optional parameters being omitted when the default behavior is not what you expected.

  • Check each required parameter before copying the formula across a sheet.
  • Confirm that ranges line up with the rows or columns you intend to analyze.
  • Use Quadratic AI to explain or debug the formula when the result looks wrong.

Related formulas

MIDB formula FAQ

What does the midb formula do?

MIDB returns a substring starting at start_byte with a given byte count.

What is the syntax for MIDB?

The syntax is MIDB(s, start_byte, byte_count). Required and optional parameters are listed at the top of this guide.

Can Quadratic AI help with MIDB?

Yes. Quadratic AI can write a MIDB formula, explain existing formula logic, or help debug broken references and unexpected results.

Quadratic AI

Struggling with formulas? Use Quadratic AI.

Spreadsheet formulas are powerful, but they get painful fast. A MIDB formula can start simple, then turn into logic that is hard to understand, easy to break, and difficult to share with the rest of your team.

Quadratic AI helps you write formulas, explain formula logic, debug broken references, and move beyond formulas when advanced analysis needs Python, SQL, charts, or connected data.

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Why formulas slow teams down

  • Long formulas become hard to read, understand, and trust.
  • Formula logic breaks when rows, columns, or assumptions change.
  • Manual updates make dashboards and reports fragile over time.
  • Complex formulas are difficult to explain, review, and share with teammates.
  • Advanced analysis quickly outgrows formula-only workflows.