everything is ready for start signal filtering ...

Libraries/x-saherelm.common.lib.mq5

@@ -4810,6 +4810,109 @@ int GetBars(
 //
 // String ...
 
+//
+// Search a Content Contains Specific String or not ...
+bool Contains(
+    string mQuery,         // Search String
+    string mContent,       // Search Content
+    bool ignoreCase = true // Ignore Case
+)
+{
+    //
+    bool result = false;
+
+    //
+    // Validate Query ...
+    result = IsValid(mQuery);
+    if (!result)
+    {
+        return result;
+    }
+
+    //
+    // Validate Content ...
+    result = IsValid(mContent);
+    if (!result)
+    {
+        return result;
+    }
+
+    //
+    // Normalize Inputs ...
+    string query = mQuery;
+    string content = mContent;
+    if (ignoreCase)
+    {
+        //
+        StringToLower(query);
+        StringToLower(content);
+    }
+
+    //
+    int queryIdx = StringFind(
+        content,
+        query);
+
+    //
+    result = queryIdx >= 0;
+    
+    //
+    return result;
+}
+
+//
+bool Contains(
+    string &mQueries[],     // Search Strings
+    string mContent,       // Search Content
+    bool ignoreCase = true // Ignore Case
+)
+{
+    //
+    bool result = false;
+
+    //
+    // Validate Queries ...
+    int queriesCount = ArraySize(mQueries);
+    result = queriesCount > 0;
+    if (!result) {
+        return result;
+    }
+
+    //
+    // Validate Content ...
+    result = IsValid(mContent);
+    if (!result) {
+        return result;
+    }
+
+    //
+    int containsCount = 0;
+    for (int i = 0; i < queriesCount; i++) {
+        //
+        bool isContains = Contains(
+            mQueries[i],
+            mContent,
+            ignoreCase
+        );
+
+        //
+        if (!isContains) {
+            //
+            result = false;
+            break;
+        }
+
+        //
+        containsCount++;
+    }
+
+    //
+    result = containsCount == queriesCount;
+    
+    //
+    return result;
+}
+
 //
 // Convert From String ...
 template <typename T>