FNR tips
One of the most useful tools I've found is FNR which lets you find and replace across many files
Here are some links about how you can leverage the regex functionality
- http://findandreplace.io/regular-expressions
- https://docs.microsoft.com/en-us/dotnet/standard/base-types/regular-expression-language-quick-reference
- https://stackoverflow.com/questions/18701992/space-or-no-space