Regular Expression Cookbook

Object Orientation and General technical topics module Q806

Exercises, examples and other material relating to training module Q806. This topic is presented on public course Regular Expressions

Regular Expressions in Java

As from release 1.4, Java 2 comes with a regular expression class that supports patterns similar in style to Perl regular expressions. This page gives ...

http://www.wellho.net/solutions/java-reg ... -java.html [longer article]

Regular Expressions - training course - Making the most of Pattern Matching

Regular Expressions - Making the most of Pattern Matching Regular expressions are probably the most powerful pattern matching tools that is available. ...

http://www.wellho.net/course/refull.html [course]

Validating Credit Card Numbers

It's standard practise for on line bookings these days to take credit or debit card details as a booking security, and we're no exception at Well House ...

http://www.wellho.net/mouth/1840_Val ... mbers.html [short article]

Search and replace in Ruby - Ruby Regular Expressions

"If you want to replace one part of a string by another in Ruby, you can use the sub method on your string object. The first parameter you give to the ...

http://www.wellho.net/mouth/2608_Sea ... sions.html [short article]

Regular expressions made easy - building from components

There seems to be a certain macho desire in many programmer's minds to write a single complicated regular expression to match against an input line, ignorning ...

http://www.wellho.net/mouth/1305_Reg ... nents.html [short article]

Making Regular Expressions easy to read and maintain

Have you ever seen a long regular expression made up of so many special characters that you can't read or maintain it very easily? Something like /\(\s*([A-Z]{4})\s+(\d+(?:\.\d*)?)\s*\/\s*(\d+(?:\.\d*)?)\s*\/\s*(\d+(?:\.\d*)?)\s*\)/ ...

http://www.wellho.net/mouth/2165_Mak ... ntain.html [short article]

Making a Lua program run more than 10 times faster

I made an extraordinary claim on Thursday. One of my delegates had written a program that analyzed a huge data file in a Lua script, and it was taking ...

http://www.wellho.net/mouth/2727_Mak ... aster.html [short article]

This topic is presented on public course Regular Expressions

Background information

Some modules are available for download as a sample of our material or under an Open Training Notes License for free download from http://www.training-notes.co.uk.

Topics covered in this module

Options for caputured output
Matching the parts of the string you don't want
When to use .* on the start of the end of a match
Using Regular Expressions to handle numbers
Other Regular Expression engines - from vi to Expect

Complete learning

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