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January 21, 2026

Regular Expressions for Beginners: A Practical Guide to Pattern Matching

A regex tutorial for beginners with examples. Learn pattern matching fundamentals, common regex patterns for email and phone validation, and practical examples you can use immediately.

Text Encoding Explained: UTF-8, ASCII, Unicode, and Character Sets Demystified

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Struggling with encoding errors and mojibake? Learn the difference between UTF-8 and ASCII, why UTF-8 became the dominant standard, and how to diagnose and fix common character encoding problems.