Restoring old revision of "Property:P28"

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@@ description / en / description / en @@
-canonical Roovet Articles page title
+canonical page title on Roovet Articles
@@ Property / property constraint @@
-single-value constraint
@@ Property / property constraint: single-value constraint / rank @@
-Normal rank
@@ Property / property constraint @@
-format constraint
@@ Property / property constraint: format constraint / rank @@
-Normal rank
@@ Property / property constraint: format constraint / qualifier @@
-format as a regular expression: ^[A-Za-z0-9_().,' -]+$