This post includes some sites I would not normally link to, which I’m overlooking today to illustrate a simple point - sometimes, exploring the web can lead to things that makes one go, “eww!” 😎

• Regular Expressions cheat sheet (.pdf) 📌
  → Regexper → Reading Railroad Diagrams
  → Finite-state machine @ Wikipedia
• Searching with regular expressions: the mighty regex
  → Regular Expression Library (affiliate marketing)
  → Regular-Expressions.info (ads, affiliate marketing)
      → Easy Regular Expression Builder (commercial)
• AI Powered Text to Regex 📌
• RegExr (ads) ⇦
• regex101 ⇦
• Regex Generator - Creating regex is easy again! Not so much. 😎

<!--joe crawls out of the rabbit hole -->