& edit()
 
  Syntax: edit(<string>,<from>,<to>)
 
  This function edits <string>, replacing all occurrences of the 
  substring <from> with the string <to>. If <from> is '$', then <to> 
  is appended to <string>, while if <from> is '^', then it is 
  prepended.
 
  Example:
 
  > say edit(This is a test,is,x)   
  You say "Thx x a test"
  > say edit(Atlantic,^,Trans)
  You say "TransAtlantic"
 
	See Also: @edit, remove()