Object Orientation and General technical topics - What are Regular Expressions?

What are Regular Expressions? - Object Orientation and General technical topics module Q801

Regular expressions are used when you want to test whether a string of text matches a particular pattern, and if it does match that pattern you want to extract elements of the match, also known as "interesting bits".

This topic is presented on public course Regular Expressions

Background information

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Topics covered in this module

What are regular expressions?.
Why use regular expressions?.
Regular expression flavours - regular, Perl, POSIX, variants.
What are the alternatives?.
String manipulation functions.
Globbing.
Grammars.
Tokenizers.
Combinations.

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