--- /dev/null
+
+
+$.extend( DataTable.ext.aTypes, [
+ /*
+ * Function: -
+ * Purpose: Check to see if a string is numeric
+ * Returns: string:'numeric' or null
+ * Inputs: mixed:sText - string to check
+ */
+ function ( sData )
+ {
+ /* Allow zero length strings as a number */
+ if ( typeof sData === 'number' )
+ {
+ return 'numeric';
+ }
+ else if ( typeof sData !== 'string' )
+ {
+ return null;
+ }
+
+ var sValidFirstChars = "0123456789-";
+ var sValidChars = "0123456789.";
+ var Char;
+ var bDecimal = false;
+
+ /* Check for a valid first char (no period and allow negatives) */
+ Char = sData.charAt(0);
+ if (sValidFirstChars.indexOf(Char) == -1)
+ {
+ return null;
+ }
+
+ /* Check all the other characters are valid */
+ for ( var i=1 ; i<sData.length ; i++ )
+ {
+ Char = sData.charAt(i);
+ if (sValidChars.indexOf(Char) == -1)
+ {
+ return null;
+ }
+
+ /* Only allowed one decimal place... */
+ if ( Char == "." )
+ {
+ if ( bDecimal )
+ {
+ return null;
+ }
+ bDecimal = true;
+ }
+ }
+
+ return 'numeric';
+ },
+
+ /*
+ * Function: -
+ * Purpose: Check to see if a string is actually a formatted date
+ * Returns: string:'date' or null
+ * Inputs: string:sText - string to check
+ */
+ function ( sData )
+ {
+ var iParse = Date.parse(sData);
+ if ( (iParse !== null && !isNaN(iParse)) || (typeof sData === 'string' && sData.length === 0) )
+ {
+ return 'date';
+ }
+ return null;
+ },
+
+ /*
+ * Function: -
+ * Purpose: Check to see if a string should be treated as an HTML string
+ * Returns: string:'html' or null
+ * Inputs: string:sText - string to check
+ */
+ function ( sData )
+ {
+ if ( typeof sData === 'string' && sData.indexOf('<') != -1 && sData.indexOf('>') != -1 )
+ {
+ return 'html';
+ }
+ return null;
+ }
+] );
+