The following table defines various character class sequences. Use these alphanumeric patterns to simplify your regex searches.
Character Class | Description |
---|---|
[0-9] | Matches any digit from 0 to 9. |
[a-zA-z] | Matches any alphabetic character. |
[a-zA-z0-9] | Matches any alphanumeric character. |
[^0-9] | Matches any non-digit. |
[^a-zA-z] | Matches any non-alphabetic character. |