%-~%                    Remove a pattern from a character vector
%but%                   Modification of function arguments
%file>%                 Read or write an R object to/from a file
%of%                    Is an object of a given class
%o~%                    Only keeps the macthing part of a regular
                        expression
%without%               Remove certain elements from a vector
%x=%                    Creates string decorators by repeating a
                        pattern
%~%                     Pattern matching operators
notIn                   not in
patternDivision         Divide by a pattern
patternFilter           Regular expression filters
pipe                    Pipe an R object to a unix command
plusEqual               Plus Equal Operator
withOption              Alternative option mechanism
