https://www.infopathdev.com:443/forums/40.aspxFor browser form specific questionsenCommunityServer 2007 SP3 (Build: 31118.962)https://www.infopathdev.com:443/forums/thread/84646.aspxWed, 21 Nov 2012 22:01:30 GMT033a2e2d-04e2-4a9d-be01-a4634161eefd:84646Hilary Stoupa0https://www.infopathdev.com:443/forums/thread/84646.aspxhttps://www.infopathdev.com:443/forums/commentrss.aspx?SectionID=40&PostID=84646You could use custom validation to at least mark the field invalid, I think. I found a suggested pattern <a href="http://stackoverflow.com/questions/2124010/grep-regex-to-match-non-ascii-characters">here</a>, and tested it <a href="http://www.regextester.com/">here</a> - it at least found your&nbsp;™&nbsp;and&nbsp;®. Your field could have custom validation - if the data matches the custom pattern of [^\x00-\x7F], mark the field invalid and give the user a message about removing the special characters.https://www.infopathdev.com:443/forums/thread/84643.aspxWed, 21 Nov 2012 21:06:44 GMT033a2e2d-04e2-4a9d-be01-a4634161eefd:84643muddu_shafi0https://www.infopathdev.com:443/forums/thread/84643.aspxhttps://www.infopathdev.com:443/forums/commentrss.aspx?SectionID=40&PostID=84643Is there a forumula/xpath to convert/ restruct non utf-8 characters in a textfield. If we can&#39;t suceed, I atleast want to change them to white spaces before submitting the form. Example of some non utf-8 characters:- Trademark TM ™ and registered trademark ® Thanks in advance for your responses.