Merge pull request #196 from olt/doc-non-capture-groups

document non-capturing groups (closes #143)
gorilla · Sep 20, 2016 · 757bef9 · 757bef9
2 parents 0a192a1 + 14f5df0
commit 757bef9
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/doc.go b/doc.go
@@ -47,6 +47,10 @@ variable will be anything until the next slash. For example:
 	r.HandleFunc("/articles/{category}/", ArticlesCategoryHandler)
 	r.HandleFunc("/articles/{category}/{id:[0-9]+}", ArticleHandler)
 
+Groups can be used inside patterns, as long as they are non-capturing (?:re). For example:
+
+	r.HandleFunc("/articles/{category}/{sort:(?:asc|desc|new)}", ArticlesCategoryHandler)
+
 The names are used to create a map of route variables which can be retrieved
 calling mux.Vars():