first commit

utils/utils.go

@@ -0,0 +1,25 @@
+package utils
+
+import (
+	"net/url"
+	"regexp"
+	"strings"
+)
+
+func IsValidUrl(s string) bool {
+	if !strings.HasPrefix(s, "http://") && !strings.HasPrefix(s, "https://") {
+		return false
+	}
+	domainRegex := `^([a-zA-Z0-9-]+\.)+[a-zA-Z]{2,}$`
+	parsedUrl, err := url.ParseRequestURI(s)
+	if err != nil {
+		return false
+	}
+	matched, err := regexp.MatchString(domainRegex, parsedUrl.Host)
+	if err != nil || !matched {
+		return false
+	}
+
+	return true
+
+}