For 2021 - online Python 3 training - see ((here)).
Our plans were to retire in summer 2020 and see the world, but Coronavirus has lead us into a lot of lockdown programming in Python 3 and PHP 7. We can now offer tailored online training - small groups, real tutors - works really well for groups of 4 to 14 delegates. Anywhere in the world; course language English.
Please ask about private 'maintenance' training for Python 2, Tcl, Perl, PHP, Lua, etc. |
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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