diff --git a/Cargo.lock b/Cargo.lock
index 4728d300d6..5a98855659 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -9153,8 +9153,7 @@ dependencies = [
 [[package]]
 name = "promql-parser"
 version = "0.5.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "60d851f6523a8215e2fbf86b6cef4548433f8b76092e9ffb607105de52ae63fd"
+source = "git+https://github.com/GreptimeTeam/promql-parser.git?rev=0410e8b459dda7cb222ce9596f8bf3971bd07bd2#0410e8b459dda7cb222ce9596f8bf3971bd07bd2"
 dependencies = [
  "cfgrammar",
  "chrono",
@@ -9164,6 +9163,7 @@ dependencies = [
  "regex",
  "serde",
  "serde_json",
+ "unescaper",
 ]
 
 [[package]]
diff --git a/Cargo.toml b/Cargo.toml
index 1d4614b35a..d5cbc30b60 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -161,7 +161,9 @@ parquet = { version = "54.2", default-features = false, features = ["arrow", "as
 paste = "1.0"
 pin-project = "1.0"
 prometheus = { version = "0.13.3", features = ["process"] }
-promql-parser = { version = "0.5.1", features = ["ser"] }
+promql-parser = { git = "https://github.com/GreptimeTeam/promql-parser.git", rev = "0410e8b459dda7cb222ce9596f8bf3971bd07bd2", features = [
+    "ser",
+] }
 prost = { version = "0.13", features = ["no-recursion-limit"] }
 raft-engine = { version = "0.4.1", default-features = false }
 rand = "0.9"
diff --git a/src/query/src/promql/planner.rs b/src/query/src/promql/planner.rs
index 2869a2201b..75653d125e 100644
--- a/src/query/src/promql/planner.rs
+++ b/src/query/src/promql/planner.rs
@@ -4222,7 +4222,7 @@ mod test {
         \n    PromInstantManipulate: range=[0..100000000], lookback=[1000], interval=[5000], time index=[timestamp] [tag_0:Utf8, tag_1:Utf8, tag_2:Utf8, timestamp:Timestamp(Millisecond, None), field_0:Float64;N, field_1:Float64;N, field_2:Float64;N]\
         \n      PromSeriesDivide: tags=[\"tag_0\", \"tag_1\", \"tag_2\"] [tag_0:Utf8, tag_1:Utf8, tag_2:Utf8, timestamp:Timestamp(Millisecond, None), field_0:Float64;N, field_1:Float64;N, field_2:Float64;N]\
         \n        Sort: prometheus_tsdb_head_series.tag_0 ASC NULLS FIRST, prometheus_tsdb_head_series.tag_1 ASC NULLS FIRST, prometheus_tsdb_head_series.tag_2 ASC NULLS FIRST, prometheus_tsdb_head_series.timestamp ASC NULLS FIRST [tag_0:Utf8, tag_1:Utf8, tag_2:Utf8, timestamp:Timestamp(Millisecond, None), field_0:Float64;N, field_1:Float64;N, field_2:Float64;N]\
-        \n          Filter: prometheus_tsdb_head_series.tag_1 ~ Utf8(\"^(10.0.160.237:8080|10.0.160.237:9090)$\") AND prometheus_tsdb_head_series.timestamp >= TimestampMillisecond(-1000, None) AND prometheus_tsdb_head_series.timestamp <= TimestampMillisecond(100001000, None) [tag_0:Utf8, tag_1:Utf8, tag_2:Utf8, timestamp:Timestamp(Millisecond, None), field_0:Float64;N, field_1:Float64;N, field_2:Float64;N]\
+        \n          Filter: prometheus_tsdb_head_series.tag_1 ~ Utf8(\"^(?:(10.0.160.237:8080|10.0.160.237:9090))$\") AND prometheus_tsdb_head_series.timestamp >= TimestampMillisecond(-1000, None) AND prometheus_tsdb_head_series.timestamp <= TimestampMillisecond(100001000, None) [tag_0:Utf8, tag_1:Utf8, tag_2:Utf8, timestamp:Timestamp(Millisecond, None), field_0:Float64;N, field_1:Float64;N, field_2:Float64;N]\
         \n            TableScan: prometheus_tsdb_head_series [tag_0:Utf8, tag_1:Utf8, tag_2:Utf8, timestamp:Timestamp(Millisecond, None), field_0:Float64;N, field_1:Float64;N, field_2:Float64;N]";
         assert_eq!(plan.display_indent_schema().to_string(), expected);
     }
@@ -4269,7 +4269,7 @@ mod test {
         \n            PromInstantManipulate: range=[0..100000000], lookback=[1000], interval=[5000], time index=[greptime_timestamp] [ip:Utf8, greptime_timestamp:Timestamp(Millisecond, None), greptime_value:Float64;N]\
         \n              PromSeriesDivide: tags=[\"ip\"] [ip:Utf8, greptime_timestamp:Timestamp(Millisecond, None), greptime_value:Float64;N]\
         \n                Sort: prometheus_tsdb_head_series.ip ASC NULLS FIRST, prometheus_tsdb_head_series.greptime_timestamp ASC NULLS FIRST [ip:Utf8, greptime_timestamp:Timestamp(Millisecond, None), greptime_value:Float64;N]\
-        \n                  Filter: prometheus_tsdb_head_series.ip ~ Utf8(\"^(10.0.160.237:8080|10.0.160.237:9090)$\") AND prometheus_tsdb_head_series.greptime_timestamp >= TimestampMillisecond(-1000, None) AND prometheus_tsdb_head_series.greptime_timestamp <= TimestampMillisecond(100001000, None) [ip:Utf8, greptime_timestamp:Timestamp(Millisecond, None), greptime_value:Float64;N]\
+        \n                  Filter: prometheus_tsdb_head_series.ip ~ Utf8(\"^(?:(10.0.160.237:8080|10.0.160.237:9090))$\") AND prometheus_tsdb_head_series.greptime_timestamp >= TimestampMillisecond(-1000, None) AND prometheus_tsdb_head_series.greptime_timestamp <= TimestampMillisecond(100001000, None) [ip:Utf8, greptime_timestamp:Timestamp(Millisecond, None), greptime_value:Float64;N]\
         \n                    TableScan: prometheus_tsdb_head_series [ip:Utf8, greptime_timestamp:Timestamp(Millisecond, None), greptime_value:Float64;N]";
 
         assert_eq!(plan.display_indent_schema().to_string(), expected);
@@ -4315,7 +4315,7 @@ mod test {
         \n        PromInstantManipulate: range=[0..100000000], lookback=[1000], interval=[5000], time index=[greptime_timestamp] [ip:Utf8, greptime_timestamp:Timestamp(Millisecond, None), greptime_value:Float64;N]\
         \n          PromSeriesDivide: tags=[\"ip\"] [ip:Utf8, greptime_timestamp:Timestamp(Millisecond, None), greptime_value:Float64;N]\
         \n            Sort: prometheus_tsdb_head_series.ip ASC NULLS FIRST, prometheus_tsdb_head_series.greptime_timestamp ASC NULLS FIRST [ip:Utf8, greptime_timestamp:Timestamp(Millisecond, None), greptime_value:Float64;N]\
-        \n              Filter: prometheus_tsdb_head_series.ip ~ Utf8(\"^(10.0.160.237:8080|10.0.160.237:9090)$\") AND prometheus_tsdb_head_series.greptime_timestamp >= TimestampMillisecond(-1000, None) AND prometheus_tsdb_head_series.greptime_timestamp <= TimestampMillisecond(100001000, None) [ip:Utf8, greptime_timestamp:Timestamp(Millisecond, None), greptime_value:Float64;N]\
+        \n              Filter: prometheus_tsdb_head_series.ip ~ Utf8(\"^(?:(10.0.160.237:8080|10.0.160.237:9090))$\") AND prometheus_tsdb_head_series.greptime_timestamp >= TimestampMillisecond(-1000, None) AND prometheus_tsdb_head_series.greptime_timestamp <= TimestampMillisecond(100001000, None) [ip:Utf8, greptime_timestamp:Timestamp(Millisecond, None), greptime_value:Float64;N]\
         \n                TableScan: prometheus_tsdb_head_series [ip:Utf8, greptime_timestamp:Timestamp(Millisecond, None), greptime_value:Float64;N]";
 
         assert_eq!(plan.display_indent_schema().to_string(), expected);
@@ -4361,7 +4361,7 @@ mod test {
         \n        PromInstantManipulate: range=[0..100000000], lookback=[1000], interval=[5000], time index=[greptime_timestamp] [ip:Utf8, greptime_timestamp:Timestamp(Millisecond, None), greptime_value:Float64;N]\
         \n          PromSeriesDivide: tags=[\"ip\"] [ip:Utf8, greptime_timestamp:Timestamp(Millisecond, None), greptime_value:Float64;N]\
         \n            Sort: prometheus_tsdb_head_series.ip ASC NULLS FIRST, prometheus_tsdb_head_series.greptime_timestamp ASC NULLS FIRST [ip:Utf8, greptime_timestamp:Timestamp(Millisecond, None), greptime_value:Float64;N]\
-        \n              Filter: prometheus_tsdb_head_series.ip ~ Utf8(\"^(10.0.160.237:8080|10.0.160.237:9090)$\") AND prometheus_tsdb_head_series.greptime_timestamp >= TimestampMillisecond(-1000, None) AND prometheus_tsdb_head_series.greptime_timestamp <= TimestampMillisecond(100001000, None) [ip:Utf8, greptime_timestamp:Timestamp(Millisecond, None), greptime_value:Float64;N]\
+        \n              Filter: prometheus_tsdb_head_series.ip ~ Utf8(\"^(?:(10.0.160.237:8080|10.0.160.237:9090))$\") AND prometheus_tsdb_head_series.greptime_timestamp >= TimestampMillisecond(-1000, None) AND prometheus_tsdb_head_series.greptime_timestamp <= TimestampMillisecond(100001000, None) [ip:Utf8, greptime_timestamp:Timestamp(Millisecond, None), greptime_value:Float64;N]\
         \n                TableScan: prometheus_tsdb_head_series [ip:Utf8, greptime_timestamp:Timestamp(Millisecond, None), greptime_value:Float64;N]";
 
         assert_eq!(plan.display_indent_schema().to_string(), expected);
diff --git a/tests/cases/standalone/common/promql/regex.result b/tests/cases/standalone/common/promql/regex.result
index 71e9abed34..8758c77ba7 100644
--- a/tests/cases/standalone/common/promql/regex.result
+++ b/tests/cases/standalone/common/promql/regex.result
@@ -36,6 +36,25 @@ TQL EVAL (0, 100, '15s') test{host=~"(10.0.160.237:8080|10.0.160.237:9090)"};
 | 1970-01-01T00:01:30 | 10.0.160.237:8080 | 1   |
 +---------------------+-------------------+-----+
 
+TQL EVAL (0, 100, '15s') test{host=~"10\\.0\\.160\\.237:808|nonexistence"};
+
+++
+++
+
+TQL EVAL (0, 100, '15s') test{host=~"(10\\.0\\.160\\.237:8080|10\\.0\\.160\\.237:9090)"};
+
++---------------------+-------------------+-----+
+| ts                  | host              | val |
++---------------------+-------------------+-----+
+| 1970-01-01T00:00:00 | 10.0.160.237:8080 | 1   |
+| 1970-01-01T00:00:15 | 10.0.160.237:8080 | 1   |
+| 1970-01-01T00:00:30 | 10.0.160.237:8080 | 1   |
+| 1970-01-01T00:00:45 | 10.0.160.237:8080 | 1   |
+| 1970-01-01T00:01:00 | 10.0.160.237:8080 | 1   |
+| 1970-01-01T00:01:15 | 10.0.160.237:8080 | 1   |
+| 1970-01-01T00:01:30 | 10.0.160.237:8080 | 1   |
++---------------------+-------------------+-----+
+
 DROP TABLE test;
 
 Affected Rows: 0
diff --git a/tests/cases/standalone/common/promql/regex.sql b/tests/cases/standalone/common/promql/regex.sql
index 1324730177..84b1ff09c9 100644
--- a/tests/cases/standalone/common/promql/regex.sql
+++ b/tests/cases/standalone/common/promql/regex.sql
@@ -13,4 +13,8 @@ SELECT * FROM test;
 
 TQL EVAL (0, 100, '15s') test{host=~"(10.0.160.237:8080|10.0.160.237:9090)"};
 
+TQL EVAL (0, 100, '15s') test{host=~"10\\.0\\.160\\.237:808|nonexistence"};
+
+TQL EVAL (0, 100, '15s') test{host=~"(10\\.0\\.160\\.237:8080|10\\.0\\.160\\.237:9090)"};
+
 DROP TABLE test;