"Structural Regular Expressions" by Rob Pike: http://doc.cat-v.org/bell_labs/structural_regexps/se.pdf http://doc.cat-v.org/bell_labs/structural_regexps/se.pdf

"Structural Regular Expressions" by Rob Pike: http://doc.cat-v.org/bell_labs/structural_regexps/se.pdf http://doc.cat-v.org/bell_labs/structural_regexps/se.pdf This is the foundation of the text editor 'sam', see here: http://sam.cat-v.org http://sam.cat-v.org Pretty much everything in the cat-v.org rabbit hole is worth digging into IMO.