diff --git a/udfs/community/typeof.sqlx b/udfs/community/typeof.sqlx
index 63baa67f9..5e1698d5c 100644
--- a/udfs/community/typeof.sqlx
+++ b/udfs/community/typeof.sqlx
@@ -23,7 +23,7 @@ AS ( (
     SELECT
       CASE
       -- Process NUMERIC, DATE, DATETIME, TIME, TIMESTAMP,
-        WHEN REGEXP_CONTAINS(literal, r'^[A-Z]+ "') THEN REGEXP_EXTRACT(literal, r'^([A-Z]+) "')
+        WHEN REGEXP_CONTAINS(literal, r'^[A-Z]+ ("|\')') THEN REGEXP_EXTRACT(literal, r'^([A-Z]+) (?:"|\')')
         WHEN REGEXP_CONTAINS(literal, r'^-?[0-9]*$') THEN 'INT64'
         WHEN REGEXP_CONTAINS(literal, r'^(-?[0-9]+[.e].*|CAST\("([^"]*)" AS FLOAT64\))$') THEN 'FLOAT64'
         WHEN literal IN ('true', 'false') THEN 'BOOL'