Tests for regexp module:

Getridofallwhitespaceonalineincludingnewline
Getridofallwhitespaceonalinebutkeepnewline

ChanGealllowercaseG'stouppercaseandremovewhitespace

Change all multiple whitespace to single whitespace
Remove all whitespace from start of line  
Remove all whitespace from end of line
test
Test of macros test regexps
bar bar
Reminder - regexps also work with normal #if keyword (regexp module not needed)
RIGHT
In comment: <keyword> and other stuff
// no change
In comment: <test>
In comment: <result>
this is a testa
this is a testb
this is a testa
this is a testb
this is a testa
this is a test /a
