insertBefore()
Core Math
insertBefore() is a MATLAB®-compatible core math function for insert newstr immediately before the first occurrence of pat in s. returns s unchanged if pat is not found. Run it online in your browser with SimLab — free, no install, no license required.
Insert newStr immediately before the first occurrence of pat in s. Returns s unchanged if pat is not found.
Syntax
insertBefore(s, pat, newStr)
Examples — run insertBefore() in your browser
See Also
More Core Math Functions
Browse other free, MATLAB®-compatible core math functions in SimLab:
Frequently Asked Questions about insertBefore()
Is the insertBefore() function free to use in SimLab?
Yes. SimLab is 100% free — no signup, no license, and no usage limits. You can run insertBefore() and 510+ other MATLAB®-compatible functions directly in your browser at simulations4all.com/simlab.
Do I need to install MATLAB to use insertBefore()?
No. SimLab runs entirely in your web browser with zero installation. The insertBefore() function works without any MATLAB® license or software download.
What does insertBefore() do?
Insert newStr immediately before the first occurrence of pat in s. Returns s unchanged if pat is not found. It is a MATLAB®-compatible core math function available in SimLab with the same calling syntax as MATLAB® — typically: insertBefore(s, pat, newStr).
Can I run insertBefore() in my browser?
Yes. Open SimLab at simulations4all.com/simlab, write or paste code that calls insertBefore(), and run it. Execution happens locally in your browser — no data leaves your machine.
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