Learn Regular Expressions the easy way in Linux

Posted by VISITOR on Jan 27, 2006 5:33 AM EDT
All about Linux; By Ravi
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Learning Regular expressions can be a real chore. But by using this utility, the finer nuances of regular expressions can be picked up easily.

I am sure many of you will agree with me if I tell you that regular expressions are an integral part of all Posix operating systems. So what exactly are regular expressions ?

Regular expressions are characters that also include symbols which when used in a group, convey a special meaning to the shell. Broadly speaking, there are a few frequently used characters which are interpreted by the shell in a special way. They are as follows:

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