diff --git a/helpers/basic.sh b/helpers/basic.sh
index d964f4b..4a68ce7 100644
--- a/helpers/basic.sh
+++ b/helpers/basic.sh
@@ -85,3 +85,11 @@ cdownload() {
     require curl
     curl -fsSL "$1" -o "$2"
 }
+
+is_int() {
+    [[ "$1" =~ ^[0-9]+$ ]]
+}
+
+is_number() {
+    [[ "$1" =~ ^[0-9]+([.,][0-9]+)?$ ]]
+}