Define and use "pattern" keyword values for the following primitive types: -Binary "pattern": "^( [A-Za-z0-9_-] {4})*( [A-Za-z0-9_-] {3} [A-Za-z0-9_-] | [A-Za-z0-9_-] {2} [AEIMQUYcgkosw048] =?| [A-Za-z0-9_-] [AQgw] (==)?)?$" -Guid "pattern": "^ [0-9a-fA-F] {8}- [0-9a-fA-F] {4} - [0-9a-fA-F] {4}- [0-9a-fA-F] {4} - [0-9a-fA-F] {12} $" -Date "pattern": "^ [0-9] {4,} (0 [1-9] |1 [012] ) (0 [1-9] | [12] [0-9] |3 [01] )$" -TimeOfDay including Precision "pattern": "^( [01] [0-9] |2 [0-3] ): [0-5] [0-9] : [0-5] [0-9] $" - for Precision=0 "pattern": "^( [01] [0-9] |2 [0-3] ): [0-5] [0-9] : [0-5] [0-9] ( [.] [0-9] {1,12})?$" for Precision=12 -Duration including Precision "pattern": "^-?P( [0-9] +D)?(T( [0-9] +H)?( [0-9] +M)?( [0-9] +S)?)?$" - for Precision=0 "pattern": "^-?P( [0-9] D)?(T( [0-9] +H)?( [0-9] +M)?( [0-9] ( [.] [0-9] {1,12} )?S)?)?$" - for Precision=12

https://www.oasis-open.org/committees/download.php/56653/odata-json-csdl-v4.0-wd01-2015-10-08.docx https://www.oasis-open.org/committees/download.php/56709/odata-json-csdl-v4.0-wd01-2015-10-16.docx Accepted: https://www.oasis-open.org/committees/download.php/56867/odata-meeting-112_on-20151105-minutes.html