Add filter_lines functionality to config module

Hlt/Moore/python/Moore/config.py

@@ -608,3 +608,22 @@ def dummy_function_for_line_imports():
     c_line = SpruceLine(name="UnusedHltLine")
 
     return (b_line, c_line)
+
+
+def filter_lines(lines_dict: dict[str, Hlt2Line],
+                 pattern_to_remove: str) -> dict[str, Hlt2Line]:
+    """Remove lines using regular expression.
+
+    Args:
+        lines_dict (dict[str, Hlt2Line]): Line dictionary to filter.
+        pattern_to_remove (str): Name pattern to search for using regex.
+
+    Returns:
+        dict[str, Hlt2Line]: Filtered line dictionary.
+    """
+    filtered = {
+        name: line
+        for name, line in lines_dict.items()
+        if re.search(pattern_to_remove, name) is None
+    }
+    return filtered