📘 Bash — Regular Expressions (Regex)

Regex = text ka pattern matching superpower! Complex searching aur validation ka king! 👑🔍

📘 Bash — Regular Expressions (Regex) — Quick Facts

🎯 Real-World Analogy: Detective / Jasoosi Agency 🕵️🔍

🗺️ Regex Topics — Road Map

📌 1. Regex Basics — Fundamentals 📝

📌 2. Character Classes 📦

📌 3. Quantifiers — Kitni Baar Match? 🔢

📌 4. Regex in grep 🔍

📌 5. Regex in sed ✏️

📌 6. Regex in awk 📊

📌 7. Regex in Bash [[ =~ ]] 🐚

📌 8. BRE vs ERE vs PCRE — Three Flavors 🎨

📌 9. Advanced Regex Patterns ⚡

📌 10. Practical Regex Scripts 🛠️

📌 11. Common Regex Patterns Reference 📋

⚠️ Common Mistakes (Jo Beginners Karte Hain)

🏋️ Practice Exercises

✅ Summary

📌 8. BRE vs ERE vs PCRE — Three Flavors 🎨

Visual Flow

Visual Flow

Quiz — Question 1

📘 Bash — Regular Expressions (Regex) ka sabse sahi definition kya hai?

Quiz — Question 2

📘 Bash — Regular Expressions (Regex) ka '🔍 Crime scene me clues dhundho' kya hai?

📘 Bash — Regular Expressions (Regex) Complete!

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