diff --git a/frontend/apps/veaiops/src/components/wizard/steps/host-selection/components/shared/instance-selection-configs.tsx b/frontend/apps/veaiops/src/components/wizard/steps/host-selection/components/shared/instance-selection-configs.tsx
index a2826267..46bb1934 100644
--- a/frontend/apps/veaiops/src/components/wizard/steps/host-selection/components/shared/instance-selection-configs.tsx
+++ b/frontend/apps/veaiops/src/components/wizard/steps/host-selection/components/shared/instance-selection-configs.tsx
@@ -13,17 +13,18 @@
 // limitations under the License.
 
 /**
- * 实例选择配置工厂
- * @description 为不同数据源提供预定义的配置
+ * Instance selection config factory.
+ * @description Provides predefined instance selection configs for different data sources.
  */
 
 import { IconCloud, IconDesktop } from '@arco-design/web-react/icon';
+import type { AliyunInstance, VolcengineInstance } from '@wizard/types';
+import { checkMatch } from '@wizard/utils/filter';
 import type { ZabbixHost } from 'api-generate';
-import type { AliyunInstance, VolcengineInstance } from '../../../../types';
 import type { InstanceSelectionConfig } from './instance-selection-config';
 
 /**
- * 阿里云实例选择配置
+ * Aliyun instance selection config.
  */
 export const createAliyunConfig = (
   selectionAction: (instances: AliyunInstance[]) => void,
@@ -36,13 +37,13 @@ export const createAliyunConfig = (
   itemType: '实例',
   icon: <IconCloud />,
   dataTransformer: (instance) => {
-    // 当只有 userId 而没有 instanceId 时，使用 userId 作为 id
-    // 这样可以确保标题和显示正确
+    // When only userId exists (no instanceId), use userId as the id
+    // This ensures the title and display are still meaningful
     const id =
       instance.instanceId ||
       instance.dimensions?.instanceId ||
       instance.dimensions?.userId ||
-      instance.userId ||
+      (instance as AliyunInstance & { userId?: string }).userId ||
       '';
     const name =
       instance.instanceName ||
@@ -62,28 +63,28 @@ export const createAliyunConfig = (
   },
   selectionAction,
   searchFilter: (instance, searchValue) => {
-    const searchLower = searchValue.toLowerCase();
     return (
-      (instance.instanceId?.toLowerCase() || '').includes(searchLower) ||
-      (instance.instanceName?.toLowerCase() || '').includes(searchLower) ||
-      (instance.region?.toLowerCase() || '').includes(searchLower) ||
-      // 当只有 userId 时，也支持搜索 userId
-      (instance.dimensions?.userId?.toLowerCase() || '').includes(
-        searchLower,
-      ) ||
-      (instance.userId?.toLowerCase() || '').includes(searchLower)
+      checkMatch(instance.instanceId, searchValue) ||
+      checkMatch(instance.instanceName, searchValue) ||
+      checkMatch(instance.region, searchValue) ||
+      // When only userId exists, also allow searching by userId
+      checkMatch(instance.dimensions?.userId, searchValue) ||
+      checkMatch(
+        (instance as AliyunInstance & { userId?: string }).userId,
+        searchValue,
+      )
     );
   },
   getId: (instance) =>
     instance.instanceId ||
     instance.dimensions?.instanceId ||
     instance.dimensions?.userId ||
-    instance.userId ||
+    (instance as AliyunInstance & { userId?: string }).userId ||
     '',
 });
 
 /**
- * 火山引擎实例选择配置
+ * Volcengine instance selection config.
  */
 export const createVolcengineConfig = (
   selectionAction: (instances: VolcengineInstance[]) => void,
@@ -104,15 +105,15 @@ export const createVolcengineConfig = (
   }),
   selectionAction,
   searchFilter: (instance, searchValue) =>
-    instance.instanceId.toLowerCase().includes(searchValue) ||
-    (instance.instanceName?.toLowerCase() || '').includes(searchValue) ||
-    (instance.region?.toLowerCase() || '').includes(searchValue) ||
-    (instance.namespace?.toLowerCase() || '').includes(searchValue),
+    checkMatch(instance.instanceId, searchValue) ||
+    checkMatch(instance.instanceName, searchValue) ||
+    checkMatch(instance.region, searchValue) ||
+    checkMatch(instance.namespace, searchValue),
   getId: (instance) => instance.instanceId,
 });
 
 /**
- * Zabbix主机选择配置
+ * Zabbix host selection config.
  */
 export const createZabbixConfig = (
   selectionAction: (hosts: ZabbixHost[]) => void,
@@ -120,19 +121,18 @@ export const createZabbixConfig = (
   title: '选择主机',
   description: '选择要监控的主机，可以选择多个主机',
   emptyDescription: '暂无可用的主机',
-  searchPlaceholder: '搜索主机名称...',
+  searchPlaceholder: '搜索主机名称 (支持正则)...',
   itemType: '主机',
   icon: <IconDesktop />,
   dataTransformer: (host) => ({
-    id: host.host, // 使用 host 作为唯一标识
+    id: host.host, // Use host as the unique identifier
     name: host.name,
-    region: undefined, // Zabbix没有region概念
-    dimensions: undefined, // Zabbix没有dimensions概念
+    region: undefined, // Zabbix has no region concept
+    dimensions: undefined, // Zabbix has no dimensions concept
   }),
   selectionAction,
   searchFilter: (host, searchValue) =>
-    host.host.toLowerCase().includes(searchValue) ||
-    host.name.toLowerCase().includes(searchValue),
-  getId: (host) => host.host, // 使用 host 作为唯一标识
-  useHostList: true, // 使用特殊的主机列表组件
+    checkMatch(host.host, searchValue) || checkMatch(host.name, searchValue),
+  getId: (host) => host.host, // Use host as the unique identifier
+  useHostList: true, // Use the specialized host list component
 });
diff --git a/frontend/apps/veaiops/src/components/wizard/utils/filter.ts b/frontend/apps/veaiops/src/components/wizard/utils/filter.ts
new file mode 100644
index 00000000..626524ab
--- /dev/null
+++ b/frontend/apps/veaiops/src/components/wizard/utils/filter.ts
@@ -0,0 +1,135 @@
+// Copyright 2025 Beijing Volcano Engine Technology Co., Ltd. and/or its affiliates
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+/**
+ * Check whether the given text matches the search value.
+ * Supports both fuzzy substring matching and regular expressions.
+ * @param text Text to check
+ * @param searchValue Search value (plain string or regex pattern string)
+ * @returns Whether the text matches the search condition
+ */
+export const isMatch = (
+  text: string | undefined | null,
+  searchValue: string,
+): boolean => {
+  if (!text) {
+    return false;
+  }
+
+  const safeText = text.toLowerCase();
+  const safeSearch = searchValue.toLowerCase().trim();
+
+  if (!safeSearch) {
+    return true;
+  }
+
+  try {
+    // Try regex matching first
+    // Typical user inputs:
+    // - AA-\d+-BB style regex
+    // - AA-* style wildcard
+    // - Simple substring like AA
+
+    // Strategy:
+    // 1. Try to interpret the query as regex
+    // 2. If it fails and contains *, treat it as a wildcard
+    // 3. Otherwise fallback to plain substring match
+
+    // We directly build RegExp here to fully support regex syntax
+
+    const regex = new RegExp(safeSearch, 'i');
+    if (regex.test(text)) {
+      return true;
+    }
+  } catch (e) {
+    // If regex parsing fails (e.g. syntax error), try wildcard handling instead
+  }
+
+  // Wildcard handling (simple * to .*)
+  // Only used when query contains * and regex parsing failed
+  if (safeSearch.includes('*')) {
+    try {
+      // Escape all regex metacharacters except *
+      const pattern = safeSearch
+        .replace(/[.+?^${}()|[\]\\]/g, '\\$&')
+        .replace(/\*/g, '.*');
+      const wildcardRegex = new RegExp(`^${pattern}$`, 'i'); // Wildcard usually implies full match
+      if (wildcardRegex.test(text)) {
+        return true;
+      }
+    } catch (e) {
+      // Ignore and continue to substring fallback
+    }
+  }
+
+  // Final fallback: plain substring match
+  return safeText.includes(safeSearch);
+};
+
+/**
+ * Matching helper optimized for AA-number-BB style patterns
+ * while still supporting generic regex and wildcard queries.
+ */
+export const checkMatch = (
+  text: string | undefined | null,
+  searchValue: string,
+): boolean => {
+  if (!text) {
+    return false;
+  }
+
+  const safeText = text.trim();
+  const query = searchValue.trim();
+
+  if (!query) {
+    return true;
+  }
+
+  // 1. Try regex match first
+  // Typical usage:
+  // - AA-\d+-BB style patterns with \d for digits
+  // - ^server.* for prefix matching
+  // Using RegExp directly gives maximum flexibility for power users.
+
+  try {
+    // Use 'i' flag to make the match case-insensitive
+    const regex = new RegExp(query, 'i');
+    if (regex.test(safeText)) {
+      return true;
+    }
+  } catch (e) {
+    // If regex parsing fails (e.g. unclosed parenthesis), fall through to wildcard or substring
+  }
+
+  // 2. Try wildcard * match
+  // Only used when query contains * and regex parsing did not succeed
+  if (query.includes('*')) {
+    try {
+      // Escape all regex metacharacters except *
+      const pattern = query
+        .replace(/[.+?^${}()|[\]\\]/g, '\\$&')
+        .replace(/\*/g, '.*');
+      const wildcardRegex = new RegExp(`^${pattern}$`, 'i'); // Wildcard usually implies full match
+      if (wildcardRegex.test(safeText)) {
+        return true;
+      }
+    } catch (e) {
+      // Ignore and fallback to plain substring match
+    }
+  }
+
+  // 3. Plain substring match (case-insensitive)
+  // Fallback for queries like "server(" which are invalid regex but valid text
+  return safeText.toLowerCase().includes(query.toLowerCase());
+};