Status Updates From Mastering Regular Expressions

Chapter 4 is dragged for too long and becomes unbearable. I am no longer interested in what it was telling ...
Maybe the best I get from the book is lookaround, lazy quantifier and Perl coolness.

went through chapter 4 and I thought I would have learnt how to implement regex engine, turn out it did not. It is a huge huge disappointment since it's a lengthy chapter just to introduce the lazy quantifier. I've found a better book (Flexible Pattern Matching in Strings)

g/RegularExpression/p -> Global Regular Expression Print -> grep
Stephen Kleen, Ken Thompson, Alfred Aho

POSIX standard - BREs vs EREs

The birth of Perl -> Perl Compatible RE

s/(?=\bJeff)(?=s\b)/‘/g

Match position (~empty substring) -> replace with ‘ -> effectively insert missing ‘

Non-consuming matches
Lookahead: ?=
Lookbehind: ?<=

Decided that the time has come to learn regular expressions.

The book Mastering Regular Expressions by Friedl seems to be the way to get started to build a foundation on the matter.

Read to the Perl chapter. Maybe I’ll finish it (or reread it) if I ever learn Perl.

This book is so challenging and different. And it’s the *book,* not regex. Sure, regex isn’t easy, but this book seems to make it much harder. Maybe it’s because it was written primarily for programmers, Perl programmers in particular, but this whole book has been a giant struggle, requiring me to figure out a lot of things from insufficient explanation.