Hi Sharepointers,

If you want to validate the sharepoint file attachment name in Sharepoint 2010, please attach the following script in Content editor web part in the list addform and editform.aspx.

<script type=”text/javascript”>

function PreSaveAction()

{

var attachment;

var filename=””;

var fileNameSpecial = new RegExp(“[~#%&*{}<>;?/+|\”]”);

try {

attachment = document.getElementById(“idAttachmentsTable”).getElementsByTagName(“span”)[0].firstChild;

filename = attachment.data;

}

catch (e) {

}

if (fileNameSpecial.test(filename)) {

alert(“Please remove the special characters from the file attachment name.”);

return false;

}

else {

return true;

}

}

</script>

Hope it helps!! Happy Sharepointing guys!!