As shown in the following table, for every ASN.1 character string type, there is an OM syntax that is functionally equivalent to it. The ASN.1 character string types are listed in the first column of the table; the corresponding syntax is listed in the second column.
Syntaxes for ASN.1 Character String Types
| Type | Syntax |
| General String | String(OM_S_GENERAL_STRING) |
| Graphic String | String(OM_S_GRAPHIC_STRING) |
| IA5 String | String(OM_S_IA5_STRING) |
| - | String(OM_S_LOCAL_STRING) |
| Numeric String | String(OM_S_NUMERIC_STRING) |
| Printable String | String(OM_S_PRINTABLE_STRING) |
| Teletex String | String(OM_S_TELETEX_STRING) |
| Videotex String | String(OM_S_VIDEOTEX_STRING) |
| Visible String | String(OM_S_VISIBLE_STRING) |