Text Reverser Articles

String Reversal and Unicode: Why the Simple Implementation Breaks for Emoji and Combining Characters

Reversing a string in JavaScript with split("").reverse().join("") breaks emoji — each emoji is two code units and the split separates them. Here's why naive string reversal fails for Unicode, how surrogate pairs and combining characters cause problems, and the correct grapheme cluster approach in Python and JavaScript.

Jun 10, 2026

Mirror Writing, Palindromes, and Da Vinci: The Surprising History of Reversed Text

Leonardo da Vinci filled his notebooks with mirror script — and nobody fully agrees why. Here's the history of mirror writing, palindromes and semordnilaps, how palindrome detection works in code, and why text reversal has surprising practical applications.

Jun 10, 2026

Text Reverser — Reverse Any Text by Character, Word, or Line Instantly

Learn the different types of text reversal (character, word, line, per-word), palindrome checking, Unicode edge cases with emoji and combining characters, and how to reverse any text with a free tool.

Jun 6, 2026