Custom Mask

Define your own regex patterns to mask any type of content. Perfect for industry-specific identifiers, internal codes, custom formats, or any pattern not covered by our preset tools.

Features

  • Custom regex pattern support
  • Case-insensitive option
  • Global matching
  • Custom replacement text
  • Real-time pattern testing

How It Works

  1. 1.Enter your regex pattern
  2. 2.Set replacement text (e.g., [REDACTED])
  3. 3.Paste text to process
  4. 4.Click 'Mask' and copy result
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