regExp - separate full match from partial match, add find()

- match() only does a full match
  - find() and search() do partial matches
    search() is similar to the name coming into C++ TR1

applications/test/regex/testRegexps

@@ -15,6 +15,7 @@
     ( "a.*" "abcd" )
     ( "a.*" "def" )
     ( "d(.*)f" "def" )
+    ( " *([A-Za-z]+) *= *([^ /]+) *(//.*)?"   " keyword = value // settings" )
 )
 
 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //