code: def match_rule_patterns(fixed_text, cur=0):
      
      pattern = exact_find_in_pattern(fixed_text, cur, RULE_PATTERNS)
      # if len(pattern) == 1:
      if len(pattern) > 0:
          return {"matched": True, "found": pattern[0]['find'],
                  "replaced": pattern[0]['replace'], "rules": pattern[0]['rules']}
      else:
          return {"matched": False, "found": None,
                  "replaced": fixed_text[cur], "rules": None}
docs: Matches given text at cursor position with rule patterns
  
      Returns a dictionary of four elements:
  
      - "matched" - Bool: depending on if match found
      - "found" - string/None: Value of matched pattern's 'find' key or none
      - "replaced": string Replaced string if match found else input string at
      cursor
      - "rules": dict/None: A dict of rules or None if no match found