feat: 增加条件节点正则匹配

- 使用 RE2/J 完成安全正则执行和分层校验

- 增加全宽多行输入、说明提示和专项测试

pom.xml

@@ -50,6 +50,7 @@
         <netty.version>4.1.130.Final</netty.version>
         <proguard.version>7.9.1</proguard.version>
         <proguard.maven.plugin.version>2.7.0</proguard.maven.plugin.version>
+        <re2j.version>1.8</re2j.version>
     </properties>
     <dependencyManagement>
         <dependencies>
@@ -61,6 +62,12 @@
                 <scope>compile</scope>
             </dependency>
 
+            <dependency>
+                <groupId>com.google.re2j</groupId>
+                <artifactId>re2j</artifactId>
+                <version>${re2j.version}</version>
+            </dependency>
+
             <dependency>
                 <groupId>org.apache.httpcomponents.client5</groupId>
                 <artifactId>httpclient5</artifactId>