Xah Talk Show 2019-08-04 emacs regex tutorial. ruby sigil, programing language type as syntax.
- Emacs: Regex Tutorial
- example of regex use. M-x list-matching-lines. this command is a great way to test/learn regex in emacs.
- The main difference between emacs regex and other lang's regex.
- demo the power of regex. Find email addresses in a file. Find all emoji.
- The syntax of regex.
other topic mentioned:
- How Compiler Works
- Jargon Automata in Finite State Automata
- Computer Language: Predicate Function, Terminology, and Naming Convention
- Sigil for Function Parameter Names
- The Sigils WAR, Language Design and Coding Convention
- Clojure: Magic Characters ' \ @ ^ # ` ~ .
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