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copied!<p><strong>Step 1:</strong></p> <p>extend dataTableExt.oSort with the following code: </p> <pre><code>$.extend($.fn.dataTableExt.oSort, { "numeric-pre": function(a) { a = (a === "-" || a === "") ? 0 : a.replace(/[^\d\-\.]/g, ""); return parseFloat(a); }, "numeric-asc": function(a, b) { return a - b; }, "numeric-desc": function(a, b) { return b - a; } }); </code></pre> <p><strong>Step 2:</strong> extend dataTableExt.aTypes, add comma to sValidChars variable:</p> <pre><code> # Added comma to sValidChars $.extend $.fn.dataTableExt.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; } ]); </code></pre>

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