May 2017
Beginner
552 pages
28h 47m
English
Content preview from Linux Shell Scripting Cookbook - Third Edition
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Visualizing regular expressions
Regular expressions can be tough to understand. Fortunately, there are utilities available to help in visualizing regex. The page at http://www.regexper.com lets you enter a regular expression and creates a graph to help you understand it. Here is a screenshot describing a simple regular expression: