Linux Essentials by Bresnahan Christine & Blum Richard

Linux Essentials by Bresnahan Christine & Blum Richard

Author:Bresnahan, Christine & Blum, Richard [Bresnahan, Christine]
Language: eng
Format: azw3
ISBN: 9781119092148
Publisher: Wiley
Published: 2015-08-31T16:00:00+00:00


Using Regular Expressions

Many Linux programs employ regular expressions, which are tools for expressing patterns in text. Regular expressions are similar in principle to the wildcards that can be used to specify multiple filenames, as described in Chapter 7, “Managing Files.” At their simplest, regular expressions can be plain text without adornment. Certain characters are used to denote patterns, though.

Documentation sometimes uses the abbreviation regexp to refer to a regular expression.



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