Matches a Discover credit card number.
| Text | Result |
|---|---|
6011000000000000
| match |
6011-0000-0000-0000
| match |
6011 0000 0000 0000
| match |
6500000000000000
| match |
6500-0000-0000-0000
| match |
6500 0000 0000 0000
| match |
| 6011-0000 0000-0000 | no match |
| 6000-0000-0000-0000 | no match |