Why can't you guys just give a nice straight answer, like this one?

s/(?<O>\103)(?<C>\117)/$+{O}\057$+{C}/g;
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(This answer is just as serious as the ones before it, and the suggestions for appropriateness of usage still apply.)

-- 
I hate storms, but calms undermine my spirits.
 -- Bernard Moitessier, "The Long Way"