function getNicePostcode(nastyPostcode){ var nicePostcode; // convert to uppercase nicePostcode = nastyPostcode.toUpperCase(); // remove any spaces var spaceRemoveReg = / /g; nicePostcode = nicePostcode.replace(spaceRemoveReg,""); // insert space after 1/2 A-Z and 1/2 1-9 var spaceInsertReg = /([0-9]{1}[A-Z]{1,2}$)/; nicePostcode = nicePostcode.replace(spaceInsertReg," $1"); // this will check for normal codes var isNicePostcodeReg = /^[A-Z]{1,2}[0-9]{1,2} [0-9]{1}[A-Z]{1,2}/; var indexOf = nicePostcode.search(isNicePostcodeReg); if (indexOf == -1){ // if it fails, check for SW1V 3DE codes var isNicePostcodeReg= /^[A-Z]{1,2}[0-9]{1}[A-Z]{1} [0-9]{1}[A-Z]{1,2}/; var indexOf = nicePostcode.search(isNicePostcodeReg); // if it STILL doesnt match, return false if (indexOf == -1){ return null; } else { return nicePostcode; } } else { return nicePostcode; } } function cleanFormFields(formObj){ // go through EVERY form field for (var i=0;i < formObj.length;i++){ fldObj = formObj.elements[i]; var isNiceField = /[^\w\s\@\.\,\/\-]/gi; // take the text ones and clean their data if (fldObj.type == 'text' || fldObj.type == 'textarea'){ var fieldValue = fldObj.value; var niceFieldValue = fieldValue.replace(isNiceField," "); fldObj.value = niceFieldValue; } } } function isValidEmail (emailStr) { var emailPat=/^(.+)@(.+)$/; var specialChars="\\(\\)<>@,;:\\\\\\\"\\.\\[\\]"; var validChars="\[^\\s" + specialChars + "\]"; var quotedUser="(\"[^\"]*\")"; var ipDomainPat=/^[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})]$/; var atom=validChars + '+'; var word="(" + atom + "|" + quotedUser + ")"; var userPat=new RegExp("^" + word + "(\\." + word + ")*$"); var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$"); var matchArray=emailStr.match(emailPat); if (matchArray==null) { return "Email address seems incorrect (check @ and .'s)"; } var user=matchArray[1]; var domain=matchArray[2]; // See if "user" is valid if (user.match(userPat)==null) { // user is not valid return "The username doesn't seem to be valid."; } var IPArray=domain.match(ipDomainPat); if (IPArray!=null){ // this is an IP address for (var i=1;i<=4;i++){ if (IPArray[i]>255){ return "Destination IP address is invalid!"; } } return true; } // Domain is symbolic name var domainArray=domain.match(domainPat); if (domainArray==null) { return "The domain name doesn't seem to be valid."; } var atomPat=new RegExp(atom,"g"); var domArr=domain.match(atomPat); var len=domArr.length; if (domArr[domArr.length-1].length<2 || domArr[domArr.length-1].length>3){ // the address must end in a two letter or three letter word. return "The address must end in a three-letter domain, or two letter country."; } // Make sure there's a host name preceding the domain. if (len<2){ return "This address is missing a hostname!"; } // If we've gotten this far, everything's valid! return true; }