function IsOneOrMoreEmails(s){
    var regEmails = new RegExp("^(\\w+([-+.]\\w+)*@\\w+([-.]\\w+)*\\.\\w+([-.]\\w+)*[ ]*[,]?[ ]*)+$");
    return regEmails.test(s)
}

function IsEmail(s){
    var regEmail = new RegExp("^(\\w+([-+.]\\w+)*@\\w+([-.]\\w+)*\\.\\w+([-.]\\w+)*)+$");
    return regEmail.test(s)
}

function IsAlphaNumericWhiteSpace(s){
    var regName = new RegExp("^[a-zA-Z0-9\\s]+$");
    return regName.test(s);
}