Static + Browser-Only

SQL Regex Tester and Validator Online

Test regex rules against JSON online. Put regex rules JSON on the left, validate an SQL payload on the right, and highlight invalid or missing fields directly in the browser.

This is useful for SQL example review, fixture validation, and regex-based statement checks without uploading data.

Rules

Regex rules JSON

Paste regex rules JSON on the left and an SQL payload on the right.

Payload

Payload SQL

Validated payload with field-level regex highlights will appear here

What Is It

What is an SQL regex tester and validator?

This page validates SQL against a rules JSON object where each field contains a regex pattern. It helps teams test whether SQL sample values match expected formats before sharing, debugging, or using that statement elsewhere.

Use Cases

When should you validate SQL with regex rules?

Check API fixtures before QA or release review
Validate form payload patterns like email, phone, and member IDs
Review SQL examples and INSERT values against internal standards
Highlight SQL values that break expected regex rules

Features

What this SQL regex validation tool can do

Use a JSON object of regex rules as the source of truth
Validate fields such as customerId, status, and note
Highlight invalid and missing values in SQL payloads
Run locally in the browser with no upload

FAQ

Common questions

How do I test a payload against regex rules?

Paste your regex rules JSON on the left, paste the matching payload format on the right, and run validation. Invalid or missing fields are highlighted in red inside the payload viewer.

Can I validate SQL fields?

Yes. Nested objects are supported, so rules like customer.memberId and customer.email work when the statement structure matches.

Does this work only for SQL?

Yes. This page is focused on SQL validation. Other regex pages are available for XML, HTML, CSV / TSV, SQL, logs, plain text, and HTTP payloads.

Does this upload the rules or payload?

No. Validation runs locally in the browser and no rules JSON or payload content is uploaded during the workflow.

Why SQL regex validation matters before sharing or testing statements

Teams often assume sample payloads are valid until a downstream system rejects them. An SQL regex validator makes those formatting problems visible before a payload reaches QA, support, docs, vendors, or AI workflows.

This is useful for SQL fields such as emails, IDs, member IDs, status values, and notes where format errors are easy to miss.

Teams often search for a free regex tester online when they need to validate field formats, check sample payloads, enforce naming rules, or catch invalid values before QA, release review, or external sharing. A browser-only regex validator is especially useful when payloads, logs, or request examples should stay local and should not be uploaded to a remote validator.

Examples

Example SQL rules and payload

The rules JSON defines regex patterns, and the payload is an SQL statement with invalid values highlighted.

Regex rules JSONValidation rules

{
  "email": "^[A-Z0-9._%+-]+@[A-Z0-9.-]+\\.[A-Z]{2,}$",
  "phone": "^\\d{3}-\\d{3}-\\d{4}$",
  "status": "^(active|pending|paused)$",
  "customer": {
    "memberId": "^mem_\\d{3,}$"
  }
}

Payload SQLInvalid fields highlighted

{
  "email": "john@example.com",
  "phone": "2045550199",
  "status": "trial",
  "customer": {
    "memberId": "204"
  }
}