Scans text for patterns matching major credit card formats (Visa, Mastercard, Amex, Discover, and others) using regex and Luhn algorithm validation. Identifies the card network from the BIN range and flags which matches are valid Luhn numbers. Useful for data loss prevention audits and PCI compliance checks.
No card-like patterns detected.
Paste any text to detect potential credit card numbers — all processing happens in your browser, nothing is sent to a server.
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