Merge commit 'da16527896d3087585c5e758083ea498dcabc2c3'

docs/content/en/functions/strings.Contains.md

@@ -0,0 +1,18 @@
+---
+title: strings.Contains
+description: Reports whether a string contains a substring.
+categories: [functions]
+menu:
+  docs:
+    parent: "functions"
+keywords: [string strings substring contains]
+signature: ["strings.Contains STRING SUBSTRING"]
+aliases: []
+relatedfuncs: [strings.ContainsAny]
+---
+
+    {{ strings.Contains "Hugo" "go" }} → true
+
+The check is case sensitive: 
+
+    {{ strings.Contains "Hugo" "Go" }} → false