diff --git a/be/src/vec/functions/function_split_by_regexp.cpp b/be/src/vec/functions/function_split_by_regexp.cpp
index e98278684df050..ea9bb6f05239bd 100644
--- a/be/src/vec/functions/function_split_by_regexp.cpp
+++ b/be/src/vec/functions/function_split_by_regexp.cpp
@@ -248,9 +248,6 @@ struct ExecuteImpl {
         if (pattern_ref.size) {
             re2_ptr = std::make_unique<re2::RE2>(pattern_ref.to_string_view(), *opts);
         }
-        if ((re2_ptr == nullptr) || (!re2_ptr->ok())) {
-            return Status::RuntimeError("Invalid pattern: {}", pattern_ref.debug_string());
-        }
         RegexpSplit RegexpSplit;
         RegexpSplit.init(re2_ptr.get(), limit_value);
         for (int row = 0; row < input_rows_count; ++row) {
diff --git a/regression-test/data/query_p0/sql_functions/string_functions/test_split_by_regexp.out b/regression-test/data/query_p0/sql_functions/string_functions/test_split_by_regexp.out
index 1fb99f58ab1c7c..483d9d89f872e5 100644
--- a/regression-test/data/query_p0/sql_functions/string_functions/test_split_by_regexp.out
+++ b/regression-test/data/query_p0/sql_functions/string_functions/test_split_by_regexp.out
@@ -68,3 +68,29 @@
 -- !select13 --
 ["aa", "bbb", "cccc"]
 
+-- !select14 --
+abcde	["a", "b", "c", "d", "e"]
+12553	["1", "2", "5", "5", "3"]
+	[]
+	[]
+	[]
+a1b1c1d	["a", "1", "b", "1", "c", "1", "d"]
+,,,	[",", ",", ","]
+a,b,c	["a", ",", "b", ",", "c"]
+a,b,c,	["a", ",", "b", ",", "c", ","]
+\N	\N
+a,b,c,12345,	["a", ",", "b", ",", "c", ",", "1", "2", "3", "4", "5", ","]
+
+-- !select15 --
+	[]
+	[]
+	[]
+,	[","]
+a	["a"]
+1	["1"]
+,	[","]
+,	[","]
+,	[","]
+,	[","]
+,	[","]
+
diff --git a/regression-test/suites/query_p0/sql_functions/string_functions/test_split_by_regexp.groovy b/regression-test/suites/query_p0/sql_functions/string_functions/test_split_by_regexp.groovy
index 4b9719068e6606..394a8e721aafab 100644
--- a/regression-test/suites/query_p0/sql_functions/string_functions/test_split_by_regexp.groovy
+++ b/regression-test/suites/query_p0/sql_functions/string_functions/test_split_by_regexp.groovy
@@ -70,5 +70,7 @@ suite("test_split_by_regexp") {
     qt_select11 "select split_by_regexp('aa,bbb,cccc', ',', 4);"
     qt_select12 "select split_by_regexp('aa,bbb,cccc', ',', 100000000);"
     qt_select13 "select split_by_regexp('aa,bbb,cccc', ',', 10000000000000);"
+    qt_select14 "select v1,split_by_regexp(v1, '') from test_split_by_regexp order by k1;"
+    qt_select15 "select v2,split_by_regexp(v2, '') from test_split_by_regexp order by k1;"
 }