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  2. Help:Searching/Regex - Wikipedia

    en.wikipedia.org/wiki/Help:Searching/Regex

    Instead of doing a basic indexed search on keywords, you can perform a regex search, which bypasses the index.A regex search scans the text of each page on Wikipedia in real time, character by character, to find pages that match a specific sequence or pattern of characters.

  3. List of filename extensions - Wikipedia

    en.wikipedia.org/wiki/List_of_filename_extensions

    Lists of filename extensions include: List of filename extensions (0–9) List of filename extensions (A–E) List of filename extensions (F–L) List of filename extensions (M–R) List of filename extensions (S–Z)

  4. glob (programming) - Wikipedia

    en.wikipedia.org/wiki/Glob_(programming)

    A screenshot of the original 1971 Unix reference page for glob – the owner is dmr, short for Dennis Ritchie.. glob() (/ ɡ l ɒ b /) is a libc function for globbing, which is the archetypal use of pattern matching against the names in a filesystem directory such that a name pattern is expanded into a list of names matching that pattern.

  5. Regular expression - Wikipedia

    en.wikipedia.org/wiki/Regular_expression

    A regular expression (shortened as regex or regexp), [1] sometimes referred to as rational expression, [2] [3] is a sequence of characters that specifies a match pattern in text. Usually such patterns are used by string-searching algorithms for "find" or "find and replace" operations on strings , or for input validation .

  6. List of file signatures - Wikipedia

    en.wikipedia.org/wiki/List_of_file_signatures

    File can be decompressed using Extract.exe or Expand.exe distributed with earlier versions of Windows. After compression, the last character of the original filename extension is replaced with an underscore, e.g. ‘Setup.exe’ becomes ‘Setup.ex_’. 46 4C 49 46: FLIF: 0 flif Free Lossless Image Format: 1A 45 DF A3 ␚Eߣ 0 mkv mka mks ...

  7. findstr - Wikipedia

    en.wikipedia.org/wiki/Findstr

    FINDSTR flags strings [drive:][path]filename[...] Arguments: flags This can be any combination of flags described below. strings Text to be searched for. [drive:][path]filename Specifies a file or files to search. Flags: /B Matches pattern if at the beginning of a line. /E Matches pattern if at the end of a line. /L Uses search strings literally.

  8. Racket features - Wikipedia

    en.wikipedia.org/wiki/Racket_features

    The script is a grep-like utility, expecting three command-line arguments: a base directory, a filename extension, and a (perl-compatible) regular expression. It scans the base directory for files with the given suffix, and print lines matching the regexp pattern.

  9. Filename extension - Wikipedia

    en.wikipedia.org/wiki/Filename_extension

    The use of a filename extension in a command name appears occasionally, usually as a side effect of the command having been implemented as a script, e.g., for the Bourne shell or for Python, and the interpreter name being suffixed to the command name, a practice common on systems that rely on associations between filename extension and ...