diff --git a/Formalisation(shacl)/.DS_Store b/Formalisation(shacl)/.DS_Store
deleted file mode 100644
index 70cc00b..0000000
Binary files a/Formalisation(shacl)/.DS_Store and /dev/null differ
diff --git a/Formalisation(shacl)/Core/Example-Data/example-dataset.ttl b/Formalisation(shacl)/Core/Example-Data/example-dataset.ttl
index f1ae955..8c6e613 100644
--- a/Formalisation(shacl)/Core/Example-Data/example-dataset.ttl
+++ b/Formalisation(shacl)/Core/Example-Data/example-dataset.ttl
@@ -17,7 +17,7 @@
         dct:identifier "test-creator-id-000" ;
     ] ;
     dcat:contactPoint [
-        vcard:hasEmail <mailto:foo@bar.net> ;
+        vcard:hasEmail <mailto:foo.bar@health-ri.nl> ;
         vcard:fn "Foo Bar" ;
     ] .
 
diff --git a/Formalisation(shacl)/Core/PiecesShape/Dataset.ttl b/Formalisation(shacl)/Core/PiecesShape/Dataset.ttl
index d24fc9b..9b63504 100644
--- a/Formalisation(shacl)/Core/PiecesShape/Dataset.ttl
+++ b/Formalisation(shacl)/Core/PiecesShape/Dataset.ttl
@@ -153,7 +153,7 @@ sh:targetClass foaf:Agent .
   [ 
     sh:path vcard:hasEmail ;
     sh:nodeKind sh:IRI ;
-    sh:pattern "mailto:\\w+@\\w+\\.\\w+" ;
+    sh:pattern "^mailto:.+@.+\\..+$" ;
     dash:viewer dash:URIViewer ;
     dash:editor dash:URIEditor ;
     sh:minCount 1 ;
diff --git a/Formalisation(shacl)/Core/ReusedCommunityStandards/.DS_Store b/Formalisation(shacl)/Core/ReusedCommunityStandards/.DS_Store
deleted file mode 100644
index 5008ddf..0000000
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diff --git a/Formalisation(shacl)/Modules(Leaves_Petals)/.DS_Store b/Formalisation(shacl)/Modules(Leaves_Petals)/.DS_Store
deleted file mode 100644
index b803ce3..0000000
Binary files a/Formalisation(shacl)/Modules(Leaves_Petals)/.DS_Store and /dev/null differ
diff --git a/Formalisation(shacl)/Modules(Leaves_Petals)/Imaging Module/.DS_Store b/Formalisation(shacl)/Modules(Leaves_Petals)/Imaging Module/.DS_Store
deleted file mode 100644
index 5008ddf..0000000
Binary files a/Formalisation(shacl)/Modules(Leaves_Petals)/Imaging Module/.DS_Store and /dev/null differ