Generalhttps://www.infopathdev.com:443/forums/41.aspxIf you're not sure where to ask your question, ask it here. If necessary, our moderators will make sure it gets classified in the correct board.enCommunityServer 2007 SP3 (Build: 31118.962)Sharepoint Server 2010 Column Validation Letters and Numbershttps://www.infopathdev.com:443/forums/thread/117657.aspxThu, 16 Nov 2017 18:59:12 GMT033a2e2d-04e2-4a9d-be01-a4634161eefd:117657BrianAdams0https://www.infopathdev.com:443/forums/thread/117657.aspxhttps://www.infopathdev.com:443/forums/commentrss.aspx?SectionID=41&PostID=117657<p>&nbsp;I am trying to figure out a formula to use to validate a field entry on a SharePoint list form with the following criteria Letter, Letter - Number, Number, Number, Number - Number, Number, Number, Number. Examples</p><p>QY-1163-8578<br />HE-5626-5323<br />IH-1778-3716<br />LQ-5437-8341<br />MR-5510-1158<br />NP-6487-2486<br />GW-4948-2617<br />ZD-6796-1375<br />GU-7612-1879<br />AM-1693-2671<br />OW-5024-4237</p><p>Any assistance will be appreciated. Thank you in advance&nbsp;</p>