Live Interactive Demo Model
Form Input Masking (Phone & Card)
A formatted input field that automatically structures (123) 456-7890 and 1234 5678 9012 3456 formats.
0
React 19 Practice Workbench
Acceptance Criteria
Stripping non-numeric characters before applying regex masks
Formatting numbers progressively without breaking backspace navigation
Validating full length constraints before submission
Target APIs & Concepts
String Masking PatternsCursor Position HandlingSanitization
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