CSV Parser

csv-parser

function parseCSV(csv, delimiter) {
    delimiter = (delimiter || ",");
	
    var pattern = new RegExp("(\\"+ delimiter +"|\\r?\\n|\\r|^)"+"(?:\"([^\"]*(?:\"\"[^\"]*)*)\"|"+"([^\"\\"+ delimiter +"\\r\\n]*))", "gi");
    var quote = new RegExp("\"\"", "g");
    var data = [[]];
    var matches = null;
    var val, d;

    while (matches = pattern.exec(csv)) {
		d = matches[ 1 ];
		if (d.length && (d !== delimiter)) data.push([]);
		val = matches[ 2 ] ? matches[ 2 ].replace(quote, "\"") : matches[ 3 ];
		data[ data.length-1 ].push(val);
    }

    return data;
}