deleted answer file

examplelist.txt

@@ -14,6 +14,7 @@ UPC
 2.0006670732e+11
 2.0006955667e+11
 2.0007279122e+11
+0075849385857
 2.0007279132e+11
 2.0007279138E+11
 2.0007279147E+11

isNumeric.go

@@ -0,0 +1,10 @@
+package main
+
+import (
+	"regexp"
+)
+
+func isNumeric(s string) bool {
+	match, _ := regexp.MatchString("^[0-9]+$", s)
+	return match
+}

main.go

@@ -78,6 +78,11 @@ func main() {
 			continue
 		}
 
+		if isNumeric(upc) == true {
+			gtins = append(gtins, upc)
+			continue
+		}
+
 		// Lower case the E
 		upc = strings.ToLower(upc)
 		// Split scientific notation at the e+ point