I have an EMAIL column and added this validation code:

   ISERROR(FIND("@",[EMAIL], FIND("@", [EMAIL],2)+1)),
   IF(ISERROR(FIND(".", [EMAIL], FIND("@", [EMAIL],2)+2)),
    FIND(".", [EMAIL], FIND("@", [EMAIL],2)+2) < LEN([EMAIL])

as suggested here :

Validate Email Address Columns in SharePoint

Unfortunately I get an error message

The formula contains a syntax error or is not supported - See more at: http://sharepointknowledgebase.blogspot.it/2011/02/formula-contains-syntax-error-or-is-not.html#.VL5KwXl8OUk

  • Perhaps check the naming of the colums. It should be EMAIL all on uppercase.
    – el94
    Commented Jan 20, 2015 at 13:01
  • Thanks but column name is EMAIL uppercase
    – Gyonder
    Commented Jan 20, 2015 at 13:20

2 Answers 2


Most probably this error occurs since locale for web site is set to non-default language (1033) and the incorrect delimiter is specified for a function (in your case the delimiter is ,) The delimiter in formula is language dependent.

For example when web locale is set to 1035 (Finnish) then the proper syntax for formula is:

=AND(ISERROR(FIND(" ";Email;1));IF(ISERROR(FIND("@";Email;2));FALSE;AND(ISERROR(FIND("@";Email;FIND("@";Email;2)+1));IF(ISERROR(FIND(".";Email;FIND("@";Email;2)+2));FALSE;FIND(".";Email;FIND("@";Email;2)+2)<LEN(Email)))))

Note: delimiter ; is used instead of ,


  • Determine the web locale (go to Site Settings -> click Regional settings under Site Administration group and find Locale for the current web site)

  • Make sure the proper syntax for the specified locale is used (use the below links)

You could also consider another approach (more advanced i would say) to validate email field as explained in this article. The idea is to apply client-side validation for a text field using regular expression.



Use the following JS.

    function IsValidEmail(Email) {

        var expr = /^([\w-\.]+)@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.)|(([\w-]+\.)+))([a-zA-Z]{2,4}|[0-9]{1,3})(\]?)$/;

        return expr.test(Email);


    function ValidateEmails() {

        var message = ""

        var inputs = document.getElementsByTagName("input");

        for (var i = 0; i < inputs.length; i++) {

            if (inputs[i].type == "text" && inputs[i].className.indexOf("Email") != -1) {

                var email = inputs[i].value;

                if (IsValidEmail(Email)) {

                    message += @ + " - Valid Email.\n"

                } else {

                    message += @gmail + " - Invalid Email.\n"
                    message += @yahoo + " - Invalid Email.\n"




        alert(invalid email address);


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