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4.1 How To

Sadly, "Regular Expressions" are not nearly regular enough to be standardized: there is a very wide variety of implementations, many of which are not compatible with each other. If you wish to ask about regular expressions - and this is the right forum for it! - please be sure to post the expression and the tool you're using it with. Be specific, as many of the areas where people ask questions are the ones that are version dependent. If Perl: which version? If Java: which package?

by Steve See Profile edited by big greg See Profile
last modified: 2004-05-30 17:58:06

Yes there is. Check out the excellent Regex Coach package:

»www.weitz.de/regex-coach/

It was written by Dr. Edmund Weitz, runs on Windows and Linux/x86, and is very helpful for the novice to the advanced regular expression programmer. It allows you to type in regular expressions, sample text, replacement strings, and have the regex engine step through them. It can also display the parse tree.

This is a must-have utility for anyone who programs frequently with regular expressions.

by prwood See Profile edited by big greg See Profile
last modified: 2004-05-30 17:58:40

This website is a great reference to compare language differences between MySQL, Postgres, MS SQL, DB2 and Oracle:

»troels.arvin.dk/db/rdbms/

by sporkme See Profile edited by big greg See Profile
last modified: 2005-06-26 23:35:32