How to remove lines that do NOT end with a particular sequence with regex -

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I want to use regex to find all the words in a dictionary file that ends with a special character sequence . I currently have the following regex 

 . * Personus $   
, which matches all the entries in my dictionary with my personal information.  
 But now I really want to reverse this regesis to match all lines ending with my palves, so I can change them with empty string and end with my presentation I can end up with a good list of dictionary entries that occur. I tried to reject the expansion portion using the following regex:  
 . * [^ (Persvance)] $   
 The resulting list contains all the basic entries that end with my entries, but there are also some entries that do not end with my divine .  
 Note: There are a lot of similar questions on the stack overflow, but I was not able to find any that was completely my special case. Most similar questions are either to focus on extracting those lines that do not start with a particular sequence, or focus on removing those rows that have a special character (unlike the sequence of characters ).  
 Any help would be greatly appreciated!  
  
 
 
 Use a negative form to match all the lines except the one which  Persvanceen ends with   
  ^ (?!!! * Persvance $). * $

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