Updated documentation

regex/doc.go

@@ -114,7 +114,11 @@ Another, more subtle example is the following regex:
 	x|xx
 
 While the stdlib implementation (and most other engines) will prefer matching the first item of the alternation,
-this engine will _always_ go for the longest possible match, regardless of the order of the alternation.
+this engine will go for the longest possible match, regardless of the order of the alternation. Although this
+strays from the convention, it results in a nice rule-of-thumb - the engine is ALWAYS greedy.
+
+The stdlib implementation has a function [regexp.Regexp.Longest] which makes future searches prefer the longest match.
+That is the default (and unchangable) behavior in this engine.
 
 2. Byte-slices and runes: