Added regex replacement feature to nameMappings documentation. Issue #…

…1456
telefonicaid · Oct 2, 2017 · 493357d · 493357d
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diff --git a/CHANGES_NEXT_RELEASE b/CHANGES_NEXT_RELEASE
@@ -0,0 +1 @@
+[cygnus-ngsi][NGSINameMappingsInterceptor] Allow regular expression replacement for EntityIds (#1456)
diff --git a/doc/cygnus-ngsi/installation_and_administration_guide/name_mappings.md b/doc/cygnus-ngsi/installation_and_administration_guide/name_mappings.md
@@ -171,6 +171,26 @@ $ cat /path/to/conf/name_mappings.conf
    ]
 }
 ```
+In addition, It's allowed to use regular expressions for EntityIds replacement. For instance, if we want to rename EntityIds maintaining each entity number:
+
+```
+{
+	"serviceMappings": [{
+		"originalService": "service",
+		"newService": "new_service",
+		"servicePathMappings": [{
+			"originalServicePath": "/subservice",
+			"newServicePath": "/new_subservice",
+			"entityMappings": [{
+				"originalEntityType": "myentitytype",
+				"originalEntityId": "(myentityid)([0-9]*)",
+				"newEntityId": "new_myentityid$2",
+				"attributeMappings": []
+			}]
+		}]
+	}]
+}
+```
 
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