Question

I’m not a regex-master, but I’m looking for a regex that would give this result in js:

var regex = ...;
var result = '"a b", "c, d", e f, g, "h"'.match(regex);

and result would be

['"a b"', '"c, d"', 'e f', 'g', '"h"']

EDIT:

Escaped quotes don’t need to be handled. It’s for a tagging field, where users must be able to enter:

tag1, tag2

but also

“New York, USA”, “Boston, USA”

EDIT2:
Thank you for your amazingly quick answer minitech, that did the trick!

Answer 1

I’d just use a loop:

function splitCSVFields(row) {
    var result = [];
    var i, c, q = false;
    var current = '';

    for(i = 0; c = row.charAt(i); i++) {
        if(c === '"') {
            current += c;
            q = !q;
        } else if(c === ',' && !q) {
            result.push(current.trim());
            current = '';
        } else {
            current += c;
        }
    }

    if(row.length > 0) {
        result.push(current.trim());
    }

    return result;
}

Note: requires String#trim, which you can shiv as follows:

if(!String.prototype.trim) {
    String.prototype.trim = function() {
        return this.replace(/^\s+/, '').replace(/\s+$/, '');
    };
}