https://www.infopathdev.com:443/forums/39.aspxNew to InfoPath? Search to see if your question has already been answered. If it has not, then ask it here or the appropriate topic forum.enCommunityServer 2007 SP3 (Build: 31118.962)https://www.infopathdev.com:443/forums/thread/102527.aspxThu, 14 May 2015 20:58:37 GMT033a2e2d-04e2-4a9d-be01-a4634161eefd:102527Bre Huston0https://www.infopathdev.com:443/forums/thread/102527.aspxhttps://www.infopathdev.com:443/forums/commentrss.aspx?SectionID=39&PostID=102527<p>Hi Jari,</p> <p>What you&#39;ll want to do is use&nbsp; validation rule on the text box. There are default patterns, and you can also create your own. You can set a pattern to be compared to an entry, and also give the user an error if they enter data that does not match the pattern.</p> <p>In this case, you could use the custom pattern: \d\d\d\d\d\d\-\d\d\d\d</p> <p>The condition would be, if FieldWithValue does not match pattern \d\d\d\d\d\d\-\d\d\d\d</p> <p>Hope that helps!<br />Bre</p>https://www.infopathdev.com:443/forums/thread/102463.aspxFri, 08 May 2015 12:57:16 GMT033a2e2d-04e2-4a9d-be01-a4634161eefd:102463Jari Kopakkala0https://www.infopathdev.com:443/forums/thread/102463.aspxhttps://www.infopathdev.com:443/forums/commentrss.aspx?SectionID=39&PostID=102463<p>Hi,</p><p>&nbsp;I have a following formula in my Excel Form:</p><p>=IF(RIGHT(A1;1)=MID(&quot;0123456789ABCDEFHJKLMNPRSTUVWXY&quot;;MOD(LEFT(A1;6)&amp;LEFT(RIGHT(A1;4);3);31)+1;1);&quot;ok&quot;;&quot;Error&quot;)</p><p>&nbsp;It validates the value in a cell A1.&nbsp; Data to be validated is Finnish social security number, like: 120365-5312 (fictional but valid)</p><p>&nbsp;How to build a similar validation formula in a InfoPath Text Box Control?</p><p>&nbsp;Cheers,</p><p>&nbsp;Jari <br /></p>