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Published on Jun 26, 2014
Hosts: Fr. Robert Ballecer, SJ and Shannon Morse
Guest: Patrick Delahanty
The Code for today's show is availible at our: Github
Let's talk about Regular Expressions * In episode 2, we brushed past Regular Expressions ... OUR BAD
Defn: At its simplest, A "Regular Expression" or "Regex" is a type of pattern-matching that can be used in searches or find and replace operations. * In a Regex, each character of the string is its own metacharacter that can be combined with other metacharacters to identify patterns and even context * Regular Expressions are used in most modern languages, and figure prominently into modern seach engines.
Perl is the standard-bearer for Regular Expressions in .NET, Java, Ruby and others
WHAT DOES THIS ALL MEAN?!?!?! * Quite simply... REGEX allows you to find, match and replace patters within any data set. * It lets you search NOT just complete strings, but parts of strings. - You can then replace those strings, or parts of strings with other strings.
They're useful to parse files and provide a powerful search and replace tool.
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