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2 of 3 people found the following review helpful
4.0 out of 5 stars Express yourself, 19 Nov 2010
This review is from: Regular Expression Pocket Reference: Regular Expressions for Perl, Ruby, PHP, Python, C, Java and .NET (Pocket Reference (O'Reilly)) (Paperback)
Real programmers are regularly expressive. The concept is as important to programming languages and utilities as pointers are to "c". You can work your way around regular expression but you will never be great until you master them.

An advantage and a disadvantage is that instead of concentrating on UNIX we get sidetracked on many secondary and transitory environments. The advantage is you can talk regular expressions with everyone. The disadvantage is I prefer concentration on AIX, HP/UX, SCO, SUN and other real programming environments; they could show all the different commands and integrated regular expressions.

Definition: Regular expressions are a language used for parsing and manipulating text. They are often used to perform complex search-and-replace operations and to validate the text data is Well-formed.

I use a lot of vi and sed so regular expression is regularly used.

Bottom line is there are better books for specific environments. This one crosses over disciplines and you never know with whom you may need to converse.
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Location: Arlington, Texas

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