After doing a little bit more digging, I finally have a better understanding for using the Regex expressions and patters. The real challenges are how can I create a pattern that doesn’t have to be debugged every time it encounters a slightly altered format format? Weather its 2 spaces or 3, I can control the format of every file for the spacing between columns. The break likes between each section is always followed by ~
The main format is described here. http://www.cwls.org/wp-content/uploads/2017/02/Las2_Update_Feb2017.pdf
posted on pages 11-15.