Wordwrap long words inside HTML with JavaScript

[betazold]

var wordwrap = function(value, width, separator) {
    width = width || 75;
    separator = separator || '<br>';
    if ((typeof(value) === 'string') && value) {
        var main = new RegExp('(\\s*)([^><]{' + width + ',})(<|$)', 'g');
        value = value.replace(main, function(full, before, v, after) {
            var regex = new RegExp('\\S{' + width + '}', 'g'),
                match,
                matches = [before],
                lastIndex = 0;
            while ((match = regex.exec(v)) != null) {
                if (lastIndex < match.index) {
                    matches.push(v.substring(lastIndex, match.index));
                }
                matches.push(match[0] + separator);
                lastIndex = regex.lastIndex;
            }
            matches.push(v.substring(lastIndex));
            matches.push(after);
            return matches.join('');
        });
    }
    return value;
};

@темы: JavaScript