DBZ-283 Extract regex into constant for readability

Signed-off-by: Binayak490-cyber <binayak490@gmail.com>

Author: Binayak490-cyber

debezium-schema-generator/src/main/java/io/debezium/schemagenerator/schema/debezium/DebeziumDescriptorSchemaCreator.java

@@ -39,6 +39,8 @@ public class DebeziumDescriptorSchemaCreator {
 
     private static final Logger LOGGER = LoggerFactory.getLogger(DebeziumDescriptorSchemaCreator.class);
 
+    private static final String DEFAULT_VALUE_REGEX = "(?i)default\\s*(value)?\\s*(is|:)\\s*[^.]*\\.";
+
     private final ComponentMetadata componentMetadata;
     private final FieldFilter fieldFilter;
 
@@ -110,7 +112,7 @@ private String enrichDescriptionWithDefault(Field field) {
             return desc;
         }
 
-        desc = desc.replaceAll("(?i)default\\s*(value)?\\s*(is|:)\\s*[^.]*\\.", "").trim();
+        desc = desc.replaceAll(DEFAULT_VALUE_REGEX, "").trim();
 
         return desc + " Default: " + defaultValue.toString();
     }