Removing regex expressions that crash Unity

[shana]

Fixes #334

From #335:

Initially for #145 in #310 I went to remove these regex expressions as they are not used.
Testing that, it worked.
I went back and tried to fix the stored procedures.
Resharper believed _ to be incorrect. Expresso (a .net regex tool) didn't seem to mind it.
I assumed that was the error and changed it to _. After that I failed to test appropriately.

[StanleyGoldman]

I'll create an example repository and a bug for people at Unity to diagnose..

[StanleyGoldman]

A lot of the regular expressions and functions in that class are not being used...
Do we want to clean that up?

[shana]

Yeah, we should probably throw away all that code, we don't need it anymore.

[StanleyGoldman]

I deleted some test comments @shana