Remove comma from capture group

Commas were being interpreted as the end of a string, but they are valid within a quoted or unquoted 'scalar'
**Before**
![before](https://cloud.githubusercontent.com/assets/572843/3269814/7c366af6-f2f5-11e3-8091-8d351fc4a154.png)
**After**
![after](https://cloud.githubusercontent.com/assets/572843/3269815/7c619f3c-f2f5-11e3-9861-01d59bdff85d.png)