DDL dictionary
Extended data types
The following extended data types are defined in this dictionary:
| Code | Primitive data type | Regular expression construct | Description |
| code | char | [^\t\n "]* | A single word |
| char | char | [^\n]* | A single line of text |
| text | char | .* | Text which may span lines |
| int | numb | [0-9]+ | Unsigned integer data |
| name | uchar | _[_A-Za-z0-9]+[.][][_A-Za-z0-9\<\>%/-]+ | A data item name (restrictive type) |
| aliasname | uchar | _[^\t\n "]+ | A DDL 1.4 data item name (less restrictive type) |
| idname | uchar | [_A-Za-z0-9]+ | A data item name component or identifier |
| any | char | .* | Any data type |
| yyyy-mm-dd | char | [0-9][0-9][0-9][0-9]-[0-9]?[0-9]-[0-9][0-9] | A date format |
