fix(接口测试): 正则断言失效

--bug=1039800 --user=陈建星 【接口测试】断言-变量，正则匹配断言错误 https://www.tapd.cn/55049933/s/1503523

backend/services/api-test/src/main/java/io/metersphere/api/dto/mockserver/KeyValueInfo.java

@@ -55,7 +55,7 @@ public class KeyValueInfo {
             }
         } else if (StringUtils.equals(this.condition, ParamConditionEnums.REGULAR_MATCH.name())) {
             try {
-                return this.value.matches(Pattern.quote(value));
+                return this.value.matches(value);
             } catch (Exception e) {
                 return false;
             }

backend/services/api-test/src/main/java/io/metersphere/api/parser/jmeter/processor/assertion/ResponseHeaderAssertionConverter.java

@@ -61,8 +61,8 @@ public class ResponseHeaderAssertionConverter extends AssertionConverter<MsRespo
         String testString = expectedValue;
         if (StringUtils.isNotEmpty(regexTemplate)) {
             testString = regexTemplate
-                    .replace("%key", Pattern.quote(header))
-                    .replace("%value", Pattern.quote(expectedValue));
+                    .replace("%key", header)
+                    .replace("%value", expectedValue);
         }
 
         if (StringUtils.startsWith(msAssertionCondition.name(), "NOT")) {

backend/services/api-test/src/main/java/io/metersphere/api/parser/jmeter/processor/assertion/VariableAssertionConverter.java

@@ -82,7 +82,7 @@ public class VariableAssertionConverter extends AssertionConverter<MsVariableAss
                 """
                 import java.util.regex.Pattern;
                 if (variableValue != null) {
-                   result = Pattern.matches(Pattern.quote(expectation), variableValue);
+                   result = Pattern.matches(expectation, variableValue);
                 } else {
                    result = false;
                 }