Filtering by: validation
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Field Validation ★93 Provides customizable field validation rules for any entity type through an intuitive admin interface.
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Unique Field AJAX ★38 A lightweight module that enforces unique values for specified fields with optional AJAX-based real-time validation.
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Advanced Email Validation ★28 Validates email addresses using MX records and lists of free, disposable, or banned email domains with configurable rules.
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Media Duplicates ★20 Provides a framework to identify, compare, detect, and optionally restrict duplicate media entities within a Drupal site.
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