Update REGEXP function for sqlite

wgmaster/utils.py

@@ -2,7 +2,7 @@
 # -*- coding: utf-8 -*-
 
 from __future__ import annotations
-from typing import Iterator, Dict, Any, Tuple, TextIO, List
+from typing import Iterator, Dict, Any, Tuple, TextIO, List, Optional
 import re
 import datetime
 import csv
@@ -13,6 +13,10 @@ RE_STR_START = re.compile(r'.*,"[^"]*$')
 RE_STR_END = re.compile(r'^[^"]*",.*')
 
 
+def sqlite_regexp(pattern: str, value: Optional[str]) -> Optional[bool]:
+    return re.match(pattern, value) is not None if value is not None else None
+
+
 def cast_value(value: str) -> Any:
     if value == '':
         return None