Credit Card Number (Mastercard)

Luhn 10 (remainder 0)

Validates using the Luhn 10 checksum.

\b5[1-5]\d{2}-\d{4}-\d{4}-\d{4}\b

Matches a 16-digit number beginning with 51, 52, 53, 54, or 55, delimited by hyphen.

1

\b5[1-5]\d{2} \d{4} \d{4} \d{4}\b

Matches a 16-digit number beginning with 51, 52, 53, 54, or 55, delimited by space.

1

\b5[1-5]\d{14}\b

Matches a 16-digit number beginning with 51, 52, 53, 54, or 55, without a delimiter.

1

\b2[2-7]\d{2}-\d{4}-\d{4}-\d{4}\b

Matches a 16-digit number beginning with 22, 23, 24, 25, 26, or 27, delimited by hyphen.

1

\b2[2-7]\d{2} \d{4} \d{4} \d{4}\b

Matches a 16-digit number beginning with 22, 23, 24, 25, 26, or 27, delimited by space.

1

\b2[2-7]\d{14}\b

Matches a 16-digit number beginning with 22, 23, 24, 25, 26, or 27, without a delimiter.

1

5100([- ]?)0800([ -]?)0000([ -]?)0000

5100080000000000 delimited by space or hyphen.

5105([- ]?)1051([ -]?)0510([ -]?)5100

5105105105105100 delimited by space or hyphen.

5111([- ]?)1111([ -]?)1111([ -]?)1118

5111111111111118 delimited by space or hyphen.

5123([- ]?)4567([ -]?)8901([ -]?)2346

5123456789012346 delimited by space or hyphen.

5123([- ]?)6197([ -]?)4539([ -]?)5853

5123619745395853 delimited by space or hyphen.

5138([- ]?)4951([ -]?)2555([ -]?)0554

5138495125550554 delimited by space or hyphen.

5274([- ]?)5763([ -]?)9425([ -]?)9961

5274576394259961 delimited by space or hyphen.

5301([- ]?)7455([ -]?)2913([ -]?)8831

5301745529138831 delimited by space or hyphen.

5311([- ]?)5312([ -]?)8600([ -]?)0465

5311531286000465 delimited by space or hyphen.

5364([- ]?)5870([ -]?)1178([ -]?)5834

5364587011785834 delimited by space or hyphen.

5404([- ]?)0000([ -]?)0000([ -]?)0001

5404000000000001 delimited by space or hyphen.

5431([- ]?)1111([ -]?)1111([ -]?)1111

5431111111111111 delimited by space or hyphen.

5454([- ]?)5454([ -]?)5454([ -]?)5454

5454545454545454 delimited by space or hyphen.

5459([- ]?)8862([ -]?)6563([ -]?)1843

5459886265631843 delimited by space or hyphen.

5460([- ]?)5060([ -]?)4803([ -]?)9935

5460506048039935 delimited by space or hyphen.

5500([- ]?)9391([ -]?)7800([ -]?)4613

5500939178004613 delimited by space or hyphen.

5555([- ]?)5555([ -]?)5555([ -]?)4444

5555555555554444 delimited by space or hyphen.

5556([- ]?)4000([ -]?)0055([ -]?)1234

5556400000551234 delimited by space or hyphen.

5565([- ]?)5520([ -]?)6448([ -]?)1449

5565552064481449 delimited by space or hyphen.

5597([- ]?)5076([ -]?)4491([ -]?)0558

5597507644910558 delimited by space or hyphen.

220\d([- ]?)\d{4}([ -]?)\d{4}([ -]?)\d{4}

Numbers beginning with 220.

221\d([- ]?)\d{4}([ -]?)\d{4}([ -]?)\d{4}

Numbers beginning with 221.

2220([- ]?)\d{4}([ -]?)\d{4}([ -]?)\d{4}

Numbers beginning with 2220.

272[1-9]([- ]?)\d{4}([ -]?)\d{4}([ -]?)\d{4}

Numbers beginning with 2721–2729.

27[3-9]\d([- ]?)\d{4}([ -]?)\d{4}([ -]?)\d{4}

Numbers beginning with 273–279.