example.dart in trackler-2.2.1.143

- old
+ new

@@ -1,8 +1,8 @@
 class PhoneNumber {
   /// Returns `String` for a valid number, `null` for invalid.
-  dynamic cleanNumber(String phoneNumber) {
+  String clean(String phoneNumber) {
     /// initialize an empty string.
     String onlyDigits = "";
 
     /// find all digits.
     Iterable<Match> findDigits = new RegExp(r'\d+').allMatches(phoneNumber);
@@ -14,10 +14,10 @@
     });
 
     /// Only these special characters are allowed.
     /// **"." "(" ")" "-" "+" ** and space,
     /// remove these characters.
-    phoneNumber = phoneNumber.replaceAll(new RegExp(r"^[\-\.\(\)\+\s+]*$"), "");
+    phoneNumber = phoneNumber.replaceAll(new RegExp(r"^[-.()+\s]*$"), "");
 
     /// "123-@:!-7890" is invalid, however **"123-@:!-789012"** is valid
     /// by the current logic since the regex grabs all the digits
     /// but "123-@:!-78901256" should be considered as invalid.
     /// hence if anything else still exists its an invalid number.