ignore ahb tables where no pruefi is provided (#371)

src/kohlrahbi/ahb/__init__.py

@@ -189,7 +189,9 @@ def extract_pruefis_from_table(table: Table) -> list[str]:
 
 def table_header_contains_text_pruefidentifikator(table: Table) -> bool:
     """Checks if the table header contains the text 'Prüfidentifikator'."""
-    return table.row_cells(0)[-1].paragraphs[-1].text.startswith("Prüfidentifikator")  # type:ignore[no-any-return]
+    pattern = r"Prüfidentifikator(?:\t){0,10}\t\d+"
+    # "matches "Prüfidentifikator" followed by at least 1 tab separated numbers, max 11 pruefis is chosen arbitrarily
+    return bool(re.search(pattern, table.row_cells(0)[-1].text))
 
 
 def get_pruefi_to_file_mapping(basic_input_path: Path, format_version: EdifactFormatVersion) -> dict[str, str]: