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In the Windows operating system, illegal characters in file and folder names include colons, brackets, question marks, [3] and null characters. [ 4 ] Illegal characters in Windows file names [ 4 ]
A similar phenomenon occurs for DOS/Windows paths, where the backslash is used as a path separator, requiring a doubled backslash \\ – this can then be re-escaped for a regular expression inside an escaped string, requiring \\\\ to match a single backslash.
The following examples show MS-DOS/Windows-style paths, with backslashes used to match the most common syntax: A:\Temp\File.txt This path points to a file with the name File.txt, located in the directory Temp, which in turn is located in the root directory of the drive A:. C:..\File.txt
The backslash is used in the TeX typesetting system and in RTF files to begin markup tags. In USFM, [22] the backslash is used to mark format features for editing Bible translations. In caret notation, ^\ represents the control character 0x1C, file separator. [23] This is entirely a coincidence and has nothing to do with its use in file paths.
A valid file URI must therefore begin with either file:/path (no hostname), file:///path (empty hostname), or file://hostname/path. file://path (i.e. two slashes, without a hostname) is never correct, but is often used. Further slashes in path separate directory names in a hierarchical system of directories and subdirectories. In this usage ...
EditorConfig plugins look for a file named .editorconfig in the same directory that contains an existing file, and in parent directories of that one until it hits the root filepath (e.g. / in Linux/Unix/MacOS or C: in the case of Microsoft Windows, or it finds an .editorconfig file that contains a line that states root=true.
For example, in Python, raw strings are preceded by an r or R – compare 'C:\\Windows' with r'C:\Windows' (though, a Python raw string cannot end in an odd number of backslashes). Python 2 also distinguishes two types of strings: 8-bit ASCII ("bytes") strings (the default), explicitly indicated with a b or B prefix, and Unicode strings ...
In version 13.0, Unicode was extended with another block containing many graphics characters, Symbols for Legacy Computing, which includes a few box-drawing characters and other symbols used by obsolete operating systems (mostly from the 1980s).