fix: 分支规则正则优化#AI Commit#

Author: zqburde

dss-orchestrator/orchestrators/dss-workflow/dss-flow-execution-server/src/main/scala/com/webank/wedatasphere/dss/flow/execution/entrance/utils/BranchExpressionUtils.scala

@@ -172,7 +172,7 @@ object BranchExpressionUtils extends Logging {
     }
   }
 
-  private val StrictConditionPattern = "^[A-Za-z0-9_.-]+\s*(==|!=|>=|<=|>|<)\s*([A-Za-z0-9_.-]+|\"[^\"]*\"|'[^']*')$".r
+  private val StrictConditionPattern = "^[A-Za-z0-9_.-]+\\s*(==|!=|>=|<=|>|<)\\s*([A-Za-z0-9_.-]+|\"[^\"]*\"|'[^']*')$".r
 
   def isStrictConditionSyntaxValid(condition: String): Boolean = {
     val normalized = Option(condition).map(_.trim).getOrElse("")

dss-orchestrator/orchestrators/dss-workflow/dss-workflow-server/src/main/java/com/webank/wedatasphere/dss/workflow/service/impl/DSSFlowServiceImpl.java

@@ -173,7 +173,7 @@ public class DSSFlowServiceImpl implements DSSFlowService {
     private static final String nodeUIViewIdKey = "viewId";
 
     private static final Pattern pattern = Pattern.compile("^[a-zA-Z][a-zA-Z0-9_-]*$");
-    private static final Pattern STRICT_BRANCH_CONDITION_PATTERN = Pattern.compile("^[A-Za-z0-9_.-]+\\s*(==|!=|>=|<=|>|<)\\s*([A-Za-z0-9_.-]+|\\"[^\\"]*\\"|'[^']*')$");
+    private static final Pattern STRICT_BRANCH_CONDITION_PATTERN = Pattern.compile("^[A-Za-z0-9_.-]+\\s*(==|!=|>=|<=|>|<)\\s*([A-Za-z0-9_.-]+|\"[^\"]*\"|'[^']*')$");
     private static final String BRANCH_NODE_TYPE = "workflow.branch";
 
     protected Sender getOrchestratorSender() {