Once you get the hang of regular expressions, you'll find them invaluable. The trick is to start small - I'll show you how.

Hoping to intensify and prolong the Russians’ confusion, Ukrainian air force jets bombed a Russian command post in Glotovo, ...

Curt Isakson reminds fireground commanders’ grasp of the parameters of staffing at house fires and commercial building fires ...

sed, which stands for 'stream editor,' offers many options for selecting content from a command or a file and changing it as requested.