Fix missing enumerate

Author: oxinabox

test/regex.jl

@@ -140,7 +140,7 @@
         m = match(r"(.) test (.+)", "a test 123")
         @test first(m) == "a"
         @test collect(m) == ["a", "123"]
-        @test for (i, capture) in m
+        @test for (i, capture) in enumerate(m)
             i == 1 && @test capture == "a"
             i == 2 && @test capture == "123"
         end