webutilities.tools

Generate Regex Data and Validate

Generate regex-matching samples and validate resulting JSON output.

Beginner~2 minjsonregexgenerate

Use case

Use this to build structured test fixtures and verify output shape quickly.

Workflow overview2 steps0 / 2 completed~2 min

What to expect

Follow the steps from left to right for a quick overview, then use the inline stepper below to run each tool.

Generate regex-matching samples and validate resulting JSON output.

Current focusStep 1 · Regex Test Data Generator
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Step 1json-tools Waiting

Regex Test Data Generator

JSON → JSON

Generate regex data

Pattern-matching values formatted as JSON array or newline text.

Step 2json-tools Waiting

JSON Validator

JSON → JSON

Validate JSON

Status and preview for the validated JSON.

Workflow steps

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Workflow shortcut

Next unlocked step: Step 1 · Regex Test Data Generator

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1
Step 1Ready to runjson-tools

Regex Test Data Generator

Given a regex pattern, generate N example strings that match it. Useful for structured IDs, codes, and format-specific mock values.

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Regex generator input (JSON envelope)

Provide { "pattern": "regex", "count": 5, "seed"?: 7, "format": "json-array|newline" }.

Generated regex samples

Pattern-matching values formatted as JSON array or newline text.

Run this step to process the current input and prepare the next workflow stage.

2
Step 2Lockedjson-tools

JSON Validator

Validate JSON syntax and surface parse errors.

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JSON input

Paste JSON to validate before continuing.

Validation result

Status and preview for the validated JSON.

Run this step to process the current input and prepare the next workflow stage.