contains()

Core Math

contains() is a MATLAB®-compatible core math function for check whether a substring appears in a string. works on simlabstring and plain char arrays. Run it online in your browser with SimLab — free, no install, no license required.

Check whether a substring appears in a string. Works on SimLabString and plain char arrays.

▶ Try contains() in SimLab — Free

Syntax

s.contains(sub)

contains(s, sub)

Examples — run contains() in your browser

contains("hello world", "world")

▶ Run

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Frequently Asked Questions about contains()

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

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

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

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

What does contains() do?

Check whether a substring appears in a string. Works on SimLabString and plain char arrays. It is a MATLAB®-compatible core math function available in SimLab with the same calling syntax as MATLAB® — typically: s.contains(sub).

Can I run contains() in my browser?

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

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