function clone()

in ext/syntaxhighlighter/scripts/XRegExp.js [485:497]

• 13 lines of code
• 5 McCabe index (conditional complexity)

    function clone (regex, additionalFlags) {
        if (!XRegExp.isRegExp(regex))
            throw TypeError("type RegExp expected");
        var x = regex._xregexp;
        regex = XRegExp(regex.source, getNativeFlags(regex) + (additionalFlags || ""));
        if (x) {
            regex._xregexp = {
                source: x.source,
                captureNames: x.captureNames ? x.captureNames.slice(0) : null
            };
        }
        return regex;
    };