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| Format Name | Schema Datatype | Allowed String Pattern |
| integer | xs:integer | -?digit+ |
| positiveInteger | xs:positiveInteger | +?digit+ (and representing an integer number > 0) |
| nonNegativeInteger | xs:nonNegativeInteger | +?digit+ (and representing an integer number >= 0) |
| decimal | xs:decimal | -?digit+(.digit+)? |
| float | xs:float | [\+\-]?\digit*\.?\digit+(?:[Ee][\+\-]?\digit+)? |
| double | xs:double | [\+\-]?\digit*\.?\digit+(?:[Ee][\+\-]?\digit+)? |
| date | xs:date | YYYY-MM-DD |
| time | xs:time | hh:mm:ss(.n+)? (((+|-)hh:mm)|Z)? |
| datetime | xs:dateTime | YYYY-MM-DDThh:mm:ss(.n+)?(((+|-)hh:mm)|Z)? |
| text | xs:string | any sequence of characters |
| oid | xs:string | any sequence of characters (minLength="1") |
| oidref | xs:string | any sequence of characters (minLength="1") |
| ID | xs:ID | any sequence of characters (minLength="1") |
| IDREF | xs:IDREF | any sequence of characters (minLength="1") |
| subjectKey | xs:string | any sequence of characters (minLength="1") |
| repeatKey | xs:string | any sequence of characters (minLength="1") |
| name | xs:string | any sequence of characters (minLength="1") |
| sasName | xs:string | ( letter | _ )( letter | digit | _ )* (maxLength="8") |
| sasFormat | xs:string | ( letter | _ | $ )( letter | digit | _ | . )* (maxLength="8") |
| fileName | xs:anyURI | any sequence of characters |
| languageTag | xs:language | LL (-CC)* (see below) |
| string | xs:string | Semantically equivalent to text but directly supported as XML Schema datatype |
| boolean | xs:boolean | (true | false | 1 | 0) |
| double | xs:string | (((\+|-)?[0-9]+(\.[0-9]+)?((D|d|E|e)(\+|-)[0-9]+)?)|(-?INF)|(NaN)) |
| hexBinary | xs:hexBinary | hex-encoded binary stream data |
| base64Binary | xs:base64Binary | binary stream encoded using Base64 Alphabet |
| hexFloat | xs:hexBinary | up to 16 characters |
| base64Float | xs:base64Binary | up to 12 characters |
| partialDate | xs:date | [YYYY[-MM[-DD ]]] |
| partialTime | xs:time | [hh[:mm[:ss(.n+)? (((+|-)hh:mm)|Z)?]]] |
| partialDatetime | xs:dateTime | [YYYY[-MM[-DD[T hh[:mm[:ss(.n+)? ((+|-)hh:mm)?]]]]]] |
| intervalDatetime | xs:string | partialDatetime/partialDatetime)|(durationDatetime/partialDatetime)|(partialDatetime/durationDatetime) |
| durationDatetime | xs:duration | (((+|-)?P((((n(n+)?)Y)?((nn+)?)M)?((nn+)?)D)?)(T(((n(n+)?)H)?((n(n+)?)M)?((n(n+)?)((\.n+)?)S)?)?)?|(((n(n+)?)W)))) |
| incompleteDatetime | xs:string | [YYYY|-]-[MM |-]-[DD|-]]]T[hh|-]:[mm|-]:[ss.s|-][?(+|-)nn:nn|Z] |
| incompleteDate | xs:string | [YYYY|-]-[MM |-]-[DD|-] |
| incompleteTime | xs:string | T[hh|-]:[mm|-]:[ss.s|-][?(+|-)nn:nn|Z] |
| URI | xs:anyURI |
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