in reply to Need A regex
See this recently posted reply to Regex Modification. It may be helpful. But in any event, CountZero's approach above seems both simple and effective.
Update: This reply is a later and better version of the reply linked above.
DejaVu Sans Mono
Droid Sans Mono
Envy Code R
Source Code Pro
The default, whatever it is
Results (35 votes). Check out past polls.