Removed unnecessary space

regex/doc.go

@@ -3,7 +3,5 @@ Package regex implements an NFA-based engine to search for
 regular expressions in strings. The engine does not use backtracking,
 and is therefore not vulnerable to catastrophic backtracking. The regex
 syntax supported (a variation of Golang's) is specified in the Syntax section.
-
 */
-
 package regex