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Form Validator Tester

v1.1.0

Test validation rules for HTML form fields against sample inputs.

Tests validation rules for HTML form fields — input type, required, pattern, min/max length — against sample values and shows which pass and which trigger validation errors.

How to use
  • Define a form field with its validation attributes and paste test values.
  • Each test value shows pass/fail with the specific validation rule that triggered.
  • Use to verify regex patterns in HTML pattern= attributes before shipping.
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Supported rules: required, email, url, number, min:N, max:N