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")▶ RunSee Also
More Core Math Functions
Browse other free, MATLAB®-compatible core math functions in SimLab:
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.
Try SimLab — MATLAB®-compatible, free, in your browser
510+ functions. Runs in your browser. No install. No license.
Open SimLabMATLAB® is a registered trademark of The MathWorks, Inc. SimLab is an independent project by Simulations4All and is not affiliated with, endorsed by, or sponsored by The MathWorks, Inc.