Primitive predicate string :: indexOf

Returns all the offsets (starting at 0) at which the given string occurs in the receiver. Has no result if the string does not occur in the receiver.


                            
                                
                                    int
                                
                                 
                            
                            
                                indexOf
                            
                            
                                (
                                
                                    
                                        string
                                    
                                     
                                    substringToFind
                                
                                )