Multiple word search and replace in notepad++

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Try a regular expression replace of (good)|(great)|(fine) with (?1bad)(?2worse)(?3not).

The search looks for either of three alternatives separated by the |. Each alternative has ist own capture brackets. The replace uses the conditional form ?Ntrue-expression:false-expression where N is decimal digit, the clause checks whether capture expression N matches.

Tested in Notepad++ 6.3

Update:

You can find good documentation, about the new PRCE Regular
Expressions, used by N++, since the 6.0 version, at the TWO addresses
below :

http://www.boost.org/doc/libs/1_48_0/libs/regex/doc/html/boost_regex/syntax/perl_syntax.html

http://www.boost.org/doc/libs/1_48_0/libs/regex/doc/html/boost_regex/format/boost_format_syntax.html

The FIRST one concerns the syntax of regular expressions in SEARCH

The SECOND one concerns the syntax of regular expressions in
REPLACEMENT

And, if you can understand “written French”, I made a tutorial about
PCRE regular expressions, stored in the personal site of Christian
Cuvier (cchris), at the address below :

http://oedoc.free.fr/Regex/TutorielRegex.zip

(Extracted from a posting by THEVENOT Guy at http://sourceforge.net/p/notepad-plus/discussion/331754/thread/ca059a0a/ )

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