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Asked: 2026-05-29T19:58:56+00:00

Does anyone know if there is any invisible character in Unicode strings other than

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Does anyone know if there is any invisible character in Unicode strings other than the space? Like in windows 98 there were some tricks using ALT+some integer (in fact bugs http://forums.techarena.in/customize-desktop/1121437.htm).
Is it possible to programmatically add some such characters that are not shown by any editor?

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  1. Editorial Team

    They are normally called Control Characters:

    The control characters U+0000–U+001F and U+007F come from ASCII. Additionally, U+0080–U+009F were used in conjunction with ISO 8859 character sets (among others). They are specified in ISO 6429 and often referred to as C0 and C1 control codes respectively.
    Most of these characters play no explicit role in Unicode text handling. The characters U+0000 , U+0009 (HT), U+000A (LF), U+000D (CR), and U+0085 (CR+LF) are commonly used in text processing as formatting characters.

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