For 2023 (and 2024 ...) - we are now fully retired from IT training. We have made many, many friends over 25 years of teaching about Python, Tcl, Perl, PHP, Lua, Java, C and C++ - and MySQL, Linux and Solaris/SunOS too. Our training notes are now very much out of date, but due to upward compatability most of our examples remain operational and even relevant ad you are welcome to make us if them "as seen" and at your own risk.
Lisa and I (Graham) now live in what was our training centre in Melksham - happy to meet with former delegates here - but do check ahead before coming round. We are far from inactive - rather, enjoying the times that we are retired but still healthy enough in mind and body to be active!
I am also active in many other area and still look after a lot of web sites - you can find an index ((here)) |
Regular Expressions in Ruby
Ruby has a wide variety of string handling methods, and a very strong regular expression engine. In one of the example I wrote today ( [link] Regular Expression Example in Ruby) I've included a primer on the elements of a Ruby Regular expression as well as sample source code - showing you how you can match things like email addresses and postcode, and how you can extract the information from different parts of the matches too.
Other new Ruby string handling examples:
[link] Using a string as a collection
[link] Formatted printing in Ruby - printf sprintf and %
[link] Running a piped command via backquotes (written 2009-07-16)
Associated topics are indexed as below, or enter http://melksh.am/nnnn for individual articles R109 - Ruby - Strings and Regular Expressions [970] String duplication - x in Perl, * in Python and Ruby - (2006-12-07) [986] puts - opposite of chomp in Ruby - (2006-12-15) [987] Ruby v Perl - interpollating variables - (2006-12-15) [1195] Regular Express Primer - (2007-05-20) [1305] Regular expressions made easy - building from components - (2007-08-16) [1588] String interpretation in Ruby - (2008-03-21) [1875] What are exceptions - Python based answer - (2008-11-08) [1887] Ruby Programming Course - Saturday and Sunday - (2008-11-16) [1891] Ruby to access web services - (2008-11-16) [2295] The dog is not in trouble - (2009-07-17) [2608] Search and replace in Ruby - Ruby Regular Expressions - (2010-01-31) [2614] Neatly formatting results into a table - (2010-02-01) [2621] Ruby collections and strings - some new examples - (2010-02-03) [2623] Object Oriented Ruby - new examples - (2010-02-03) [2980] Ruby - examples of regular expressions, inheritance and polymorphism - (2010-10-02) [3424] Divide 10000 by 17. Do you get 588.235294117647, 588.24 or 588? - Ruby and PHP - (2011-09-08) [3621] Matching regular expressions, and substitutions, in Ruby - (2012-02-23) [3757] Ruby - a teaching example showing many of the language features in short but useful program - (2012-06-09) [3758] Ruby - standard operators are overloaded. Perl - they are not - (2012-06-09) [4388] Global Regular Expression matching in Ruby (using scan) - (2015-01-08) [4505] Regular Expressions for the petrified - in Ruby - (2015-06-03) [4549] Clarrissa-Marybelle - too long to really fit? - (2015-10-23)
Some other Articles
Standing on the corner, Melksham CarnivalVariable scope - what is it, and how does it Ruby?Can you learn to program in 4 days?Regular Expressions in RubyObject Orientation in Ruby - intermediate examplesCollection objects (array and hash) in RubyOpening and reading files - the ruby fundamentalspre-Inaugural briefing - Melksham Community Area PartnershipWiltshire Community Area Partnerships
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This is a page archived from The Horse's Mouth at
http://www.wellho.net/horse/ -
the diary and writings of Graham Ellis.
Every attempt was made to provide current information at the time the
page was written, but things do move forward in our business - new software
releases, price changes, new techniques. Please check back via
our main site for current courses,
prices, versions, etc - any mention of a price in "The Horse's Mouth"
cannot be taken as an offer to supply at that price.
Link to Ezine home page (for reading).
Link to Blogging home page (to add comments).
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