Improved the example

Author: javiereguiluz

components/string.rst

@@ -301,9 +301,9 @@ Methods to Search and Replace
     // result = ['avatar-73647.png', '73647']
 
     // checks if the string contains any of the other given strings
-    u('aeiou')->containsAny('a');             // true
-    u('aeiou')->containsAny(['a', 'b']);      // true
-    u('aeiou')->containsAny(['j', 't', 'z']); // false
+    u('aeiou')->containsAny('a');                 // true
+    u('aeiou')->containsAny(['ab', 'efg']);       // false
+    u('aeiou')->containsAny(['eio', 'foo', 'z']); // true
 
     // finds the position of the first occurrence of the given string
     // (the second argument is the position where the search starts and negative