startsWith()

Core Math

startsWith() is a MATLAB®-compatible core math function for return true when the string begins with the given prefix. Run it online in your browser with SimLab — free, no install, no license required.

Return true when the string begins with the given prefix.

Syntax

s.startsWith(prefix)
startsWith(s, prefix)

Examples — run startsWith() in your browser

startsWith("hello.txt", "hello")
▶ Run

See Also

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Frequently Asked Questions about startsWith()

Is the startsWith() function free to use in SimLab?

Yes. SimLab is 100% free — no signup, no license, and no usage limits. You can run startsWith() and 510+ other MATLAB®-compatible functions directly in your browser at simulations4all.com/simlab.

Do I need to install MATLAB to use startsWith()?

No. SimLab runs entirely in your web browser with zero installation. The startsWith() function works without any MATLAB® license or software download.

What does startsWith() do?

Return true when the string begins with the given prefix. It is a MATLAB®-compatible core math function available in SimLab with the same calling syntax as MATLAB® — typically: s.startsWith(prefix).

Can I run startsWith() in my browser?

Yes. Open SimLab at simulations4all.com/simlab, write or paste code that calls startsWith(), and run it. Execution happens locally in your browser — no data leaves your machine.

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