How do I simulate a regex matcher?

Open this page and use the live Cellular Automata tool below — set your inputs and the simulation runs instantly in your browser using real numerics. No install, no account needed.

Yes. The simulation runs free in your browser. A one-time unlock or a Pro plan adds advanced parameters, saved presets, data import, and clean exports.

Can I use my own numbers?

Absolutely — every input is adjustable, and with data import you can drive a regex matcher from your own measurements.

Use case · powered by Cellular Automata

Cellular Automata for a regex matcher

Simulate a regex matcher live in your browser. This runs the real Cellular Automata solver — adjust the inputs, watch it respond instantly, and export the result. No install, no account.

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Elementary Cellular AutomatonLive

Wolfram rule 30

Controls

One rule, 256 possibilities. Rule 30 makes chaos; Rule 90 makes a Sierpiński triangle; Rule 110 is Turing-complete.

Presets

Rule number

▶ Run in Python

Data Inspector

Rule30

Cells201

Classchaotic/complex

Governing equation

s_{i}^{'} = f (s_{i - 1}, s_{i}, s_{i + 1}), rule = 30

Reading this result: Rule 30 is chaotic: from a single seed it produces patterns random enough that Wolfram used its center column as a random-number generator.

Runs locally in your browser — free forever. Scale to the cloud when reality gets heavy.

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About this simulation

The full Cellular Automata tool models a regex matcher with the same numerics engineers and scientists use — running entirely client-side. Change any parameter and the result updates in real time, so you can build intuition, check a design, or teach the concept without spreadsheets or installs.

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Frequently asked questions

How do I simulate a regex matcher?: Open this page and use the live Cellular Automata tool below — set your inputs and the simulation runs instantly in your browser using real numerics. No install, no account needed.
Is it free?: Yes. The simulation runs free in your browser. A one-time unlock or a Pro plan adds advanced parameters, saved presets, data import, and clean exports.
Can I use my own numbers?: Absolutely — every input is adjustable, and with data import you can drive a regex matcher from your own measurements.