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Jeroen W. Pluimers on .NET, C#, Delphi, databases, and personal interests

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Archive for the ‘RegEx’ Category

XSD regular expressions are a tad different: creating GroupProj.xsd

Posted by jpluimers on 2014/12/31

While creating jeroenp / BeSharp.net / source / Native / Delphi / Scripts / GroupProj.xsd — Bitbucket, I bumped into the fact that regular expressions in XSD *or better XML Schema Regular Expressions) regular expressions are a tad different than the RegEx.

Actually, there are quite a few regular expression flavours, and all of them are a tad different. The page Compare Regular Expression Flavors at Regular-Expressions.info.

That is a great site with Regex Tutorial, Examples and Reference – Regexp Patterns by RegEx guru Jan Goyvaerts (yes, that looks Dutch, but he was born in Belgium and now lives in Phuket) famous for tools like PowerGREP and RegExBuddy. All based on the great Delphi RegEx PCRE library written by Jan and included in Delphi XE and up.

The thing that baffled me most is that even though XML Schema Regular Expressions do not support anchors ^ and $, you still have to escape them.

–jeroen

via: XML Schema Regular Expressions.

Posted in Development, RegEx, Software Development, XML/XSD, XSD | 2 Comments »

Tools to generate sample data from regeX expressions (via: Stack Overflow)

Posted by jpluimers on 2014/12/30

Thanks DD59 for posting these interesting links:

I like the name `Xeger`.

–jeroen

via: xml – Generate a valid example value for a xs:pattern – Stack Overflow.

Posted in .NET, Development, Java, RegEx, Software Development, Visual Studio and tools | Leave a Comment »

Jeffrey’s Exif viewer: a great non-regex thing on regex.info (:

Posted by jpluimers on 2013/09/19

You’d think that the regex.info site only has information on Jeffrey Friedl’s Mastering Regular Expressions (a great book on RegEx programming) MRE2 Errata,  MRE3 Errata and Where to get egrep (agrep and sourcecode/binary builds).

Not so (:

It also hosts a few other things, mostly having to do with imagery or photography:

–jeroen

Posted in Development, Personal, Photography, Power User, RegEx, Software Development | Leave a Comment »

Time for a golden oldie: Pragmatic Software Development Tips

Posted by jpluimers on 2013/05/09

From the century start era of The Pragmatic Bookshelf | The Pragmatic Programmer, a – still valid – list of Pragmatic Software Development Tips.

From Care About Your Craft, via DRY, Some Things Are Better Done than DescribedKeep Knowledge in Plain Text, Work With a User to Think Like a User, Find the Box, and many others till Sign Your Work.

–jeroen

via: The Pragmatic Bookshelf | List of Tips.

Posted in .NET, C++, Cloud Development, COBOL, CommandLine, Delphi, Development, Fortran, iSeries, Java, Pascal, RegEx, Scripting, Software Development, Web Development, xCode/Mac/iPad/iPhone/iOS/cocoa | 3 Comments »

xkcd: Perl Problems; I got 99 problems. So I used regular expressions.

Posted by jpluimers on 2013/02/08

(:

I got 99 problems. So I used regular expressions...
I got 99 problems. So I used regular expressions…

–jeroen

via: xkcd: Perl Problems.

Posted in Development, Perl, RegEx, Scripting, Software Development | Tagged: , , | Leave a Comment »

 
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