diff --git a/src/mailgo.ts b/src/mailgo.ts
index 405a6bf..3bb8a72 100644
--- a/src/mailgo.ts
+++ b/src/mailgo.ts
@@ -924,7 +924,7 @@ const validateEmails = (arr: string[]): boolean => arr.every(validateEmail);
 
 // validate a single tel with regex
 const validateTel = (tel: string): boolean =>
-  /^[+]*[(]{0,1}[0-9]{1,4}[)]{0,1}[-\s\./0-9]*$/.test(tel);
+  /^[+]{0,1}[\s0-9]{0,}[(]{0,1}[0-9]{1,4}[)]{0,1}[-\s\./0-9]*$/.test(tel);
 
 // copy of a string
 const copyToClipboard = (str: string): boolean => {