diff --git a/mileage_rate.py b/mileage_rate.py
index 39d134e..2a1426b 100644
--- a/mileage_rate.py
+++ b/mileage_rate.py
@@ -29,15 +29,16 @@ def get_reports(base_dir: Path):
 def find_in_range(rng: xw.Range, query: str) -> xw.Range | None:
     for cell in rng:
         match cell.value:
-            case str(cell_value) if cell_value.lower().startswith(query.lower()):
+            case str(cell_value) if re.match(query, cell_value, re.IGNORECASE):
                 return cell
     return None
 
 
 def find_total_row(table_start: xw.Range) -> int:
     desc_col = find_in_range(table_start.expand('right'), "Desc")
-    col = desc_col.get_address(column_absolute=False)[0]
-    return find_in_range(table_start.sheet.range(f'{col}:{col}'), 'total').row
+    col_char = desc_col.get_address(column_absolute=False)[0]
+    col_rng = table_start.sheet.range(f'{col_char}:{col_char}')
+    return find_in_range(col_rng, 'total').row
 
 
 def get_total_cost(sheet: xw.Sheet) -> float: