Text is unexpectedly complicated. Use Unicode.run to debug text. Paste text or click an example to see: See when characters like emojis are composed of multiple code points. Click code points in the debugger output to highlight them in the text. Switch between text / UTF-32 / UTF-16BE. See where text changes direction in bidirectional text. Get warnings about hidden code points that can alter the display of the text and normalization. See each code point's escape codes in a variety of programming languages and the “length” of the text.