| searching for letters and numbers use "[0-9]" or "\d" to search for a number use "[A-Z]" or "\w" to search for letters note that "\w" also includes numbers Canadian postal codes are letter-number-letter pattern to validate a Canadian postal code | ||
| Pattern --> | /[A-Z][0-9][A-Z] [0-9][A-Z][0-9]/i | |
|---|---|---|
| M5K 1A1 | MATCH | |
| AB11 6EW | DOES NOT MATCH | |
| 14609-1234 | DOES NOT MATCH | |
| H2Y 1Z7 | MATCH | |
| 10001 | DOES NOT MATCH | |