diff --git a/go/tests/prog/grouping_prog/main.go b/go/tests/prog/grouping_prog/main.go
index b953ef0d..718710b5 100644
--- a/go/tests/prog/grouping_prog/main.go
+++ b/go/tests/prog/grouping_prog/main.go
@@ -45,17 +45,13 @@ func brackets(regexp, text string) {
 		runes = runes[1 : len(runes)-1]
 		result := simpleSearch(runes, text)
 		for i, s := range result {
-			if !unicode.Is(unicode.Hex_Digit, rune(s[len(s)-1])) {
-				s = s[:len(s)-1]
-			}
-			if !unicode.Is(unicode.Hex_Digit, rune(s[0])) {
-				s = s[1:]
+			if !unicode.Is(unicode.Hex_Digit, rune(s[len(s)-1])) && !unicode.IsLetter(rune(s[len(s)-1])) {
+				s = s[0 : len(s)-1]
 			}
 			fmt.Printf("%d: %s\n", i+1, s)
 		}
 	}
 }
-
 func main() {
 	// brackets("al|b", "ale atg bar sim nao pro par impar") In JS it's used without brackets
 	if len(os.Args) == 3 {
diff --git a/go/tests/prog/range_prog/main.go b/go/tests/prog/range_prog/main.go
index a65297e6..50065842 100644
--- a/go/tests/prog/range_prog/main.go
+++ b/go/tests/prog/range_prog/main.go
@@ -4,8 +4,6 @@ import (
 	"fmt"
 	"os"
 	"strconv"
-
-	"lib"
 )
 
 func main() {
@@ -22,8 +20,14 @@ func main() {
 		fmt.Println(err)
 		return
 	}
-	for _, i := range lib.IntRange(a, b) {
-		fmt.Print(i)
+	fmt.Print(a)
+	for b != a {
+		if a < b {
+			a++
+		} else {
+			a--
+		}
+		fmt.Print(" ", a)
 	}
 	fmt.Println()
 }