input: from typing import List
  
  def search_strings(strings: List[str], user_input: str) -> str:
      """
      Searches a given list of strings to find any matches with the user input.
      Returns "String matches" if a match is found, otherwise returns "String doesn't match".
      
      >>> search_strings(["First", "Second", "Third"], "First")
      "String matches"
      >>> search_strings(["First", "Second", "Third"], "Fourth")
      "String doesn't match"
      """
      import re
      found = False
      for string in strings:
          if re.search(string, user_input):
              found = True
      return "String matches" if found else "String doesn't match"
output:     import re
      found = False
      for string in strings:
          if re.search(string, user_input):
              found = True
      return "String matches" if found else "String doesn't match"