last changes, all tests passed

@@ -32,8 +32,8 @@ class _RxImpl<T> implements RxInterface<T> {
   ///
   /// // in your build(BuildContext) {
   /// TextField(
-  //    onChanged: myText,
-  //  ),
+  ///   onChanged: myText,
+  /// ),
   ///```
   T call([T v]) {
     if (v != null) {

 import '../regex/get_utils.dart';
 
 extension GetDynamicUtils on dynamic {
-  /// It's This is overloading the IDE's options. Only the most useful and
-  /// popular options will stay here.
-
   bool get isNull => GetUtils.isNull(this);
 
   bool get isNullOrBlank => GetUtils.isNullOrBlank(this);

-import 'get_utils.dart';
-
-extension GetStringUtils on String {
-  bool get isNum => GetUtils.isNum(this);
-
-  bool get isNumericOnly => GetUtils.isNumericOnly(this);
-
-  bool get isAlphabetOnly => GetUtils.isAlphabetOnly(this);
-
-  bool get isBool => GetUtils.isBool(this);
-
-  bool get isVectorFileName => GetUtils.isVector(this);
-
-  bool get isImageFileName => GetUtils.isImage(this);
-
-  bool get isAudioFileName => GetUtils.isAudio(this);
-
-  bool get isVideoFileName => GetUtils.isVideo(this);
-
-  bool get isTxtFileName => GetUtils.isTxt(this);
-
-  bool get isDocumentFileName => GetUtils.isWord(this);
-
-  bool get isExcelFileName => GetUtils.isExcel(this);
-
-  bool get isPPTFileName => GetUtils.isPPT(this);
-
-  bool get isAPKFileName => GetUtils.isAPK(this);
-
-  bool get isPDFFileName => GetUtils.isPDF(this);
-
-  bool get isHTMLFileName => GetUtils.isHTML(this);
-
-  bool get isURL => GetUtils.isURL(this);
-
-  bool get isEmail => GetUtils.isEmail(this);
-
-  bool get isPhoneNumber => GetUtils.isPhoneNumber(this);
-
-  bool get isDateTime => GetUtils.isDateTime(this);
-
-  bool get isMD5 => GetUtils.isMD5(this);
-
-  bool get isSHA1 => GetUtils.isSHA1(this);
-
-  bool get isSHA256 => GetUtils.isSHA256(this);
-
-  bool get isBinary => GetUtils.isBinary(this);
-
-  bool get isIPv4 => GetUtils.isIPv4(this);
-
-  bool get isIPv6 => GetUtils.isIPv6(this);
-
-  bool get isHexadecimal => GetUtils.isHexadecimal(this);
-
-  bool get isPalindrom => GetUtils.isPalindrom(this);
-
-  bool get isPassport => GetUtils.isPassport(this);
-
-  bool get isCurrency => GetUtils.isCurrency(this);
-
-  bool isCpf(String s) => GetUtils.isCpf(this);
-
-  bool isCnpj(String s) => GetUtils.isCnpj(this);
-
-  bool isCaseInsensitiveContains(String b) =>
-      GetUtils.isCaseInsensitiveContains(this, b);
-
-  bool isCaseInsensitiveContainsAny(String b) =>
-      GetUtils.isCaseInsensitiveContainsAny(this, b);
-
-  String capitalize(String s) => GetUtils.capitalize(this);
-
-  String capitalizeFirst(String s) => GetUtils.capitalizeFirst(this);
-
-  String removeAllWhitespace(String s) => GetUtils.removeAllWhitespace(this);
-
-  String camelCase(String s) => GetUtils.camelCase(this);
-
-  String numericOnly(String s, {bool firstWordOnly = false}) =>
-      GetUtils.numericOnly(this, firstWordOnly: firstWordOnly);
-}
-
-extension GetNumUtils on num {
-  bool isLowerThan(num b) => GetUtils.isLowerThan(this, b);
-
-  bool isGreaterThan(num b) => GetUtils.isGreaterThan(this, b);
-
-  bool isEqual(num b) => GetUtils.isEqual(this, b);
-}
-
-extension GetDynamicUtils on dynamic {
-  bool get isNull => GetUtils.isNull(this);
-
-  bool get isNullOrBlank => GetUtils.isNullOrBlank(this);
-}

@@ -25,7 +25,7 @@ void main() {
               GetBuilder<Controller>(
                   id: '1',
                   didChangeDependencies: (_) {
-                    print("didChangeDependencies called");
+                    // print("didChangeDependencies called");
                   },
                   builder: (controller) {
                     return Text('id ${controller.counter}');

@@ -40,7 +40,7 @@ void main() {
     final count = 0.obs;
     var result = -1;
     debounce(count, (_) {
-      print(_);
+      // print(_);
       result = _ as int;
     }, time: Duration(milliseconds: 100));
 
@@ -58,7 +58,7 @@ void main() {
     final count = 0.obs;
     var result = -1;
     interval(count, (_) {
-      print(_);
+      // print(_);
       result = _ as int;
     }, time: Duration(milliseconds: 100));
 

 import 'package:flutter_test/flutter_test.dart';
 
 void main() {
-  group('Test group for extension: isNullOrBlank', () {
-    dynamic testString;
-    test('String extension: isNullOrBlank', () {
-      expect(testString.isNullOrBlank, equals(true));
-    });
-    test('String extension: isNullOrBlank', () {
-      testString = 'Not null anymore';
-      expect(testString.isNullOrBlank, equals(false));
-    });
-    test('String extension: isNullOrBlank', () {
-      testString = '';
-      expect(testString.isNullOrBlank, equals(true));
-    });
-  });
+  // group('dynamic extensions', () {
+  //   var testString = '';
+  //   test('var.isNullOrBlank returns true on a not initilized variable', () {
+  //     expect(testString.isNullOrBlank, equals(true));
+  //   });
+  //   test('var.isNullOrBlank returns false on a initilized variable', () {
+  //     testString = 'Not null anymore';
+  //     expect(testString.isNullOrBlank, equals(false));
+  //   });
+  //   test('String extension: isNullOrBlank', () {
+  //     testString = '';
+  //     expect(testString.isNullOrBlank, equals(true));
+  //   });
+  // });
 }

@@ -257,7 +257,7 @@ void main() {
       ];
 
       for (final phone in phoneNumbers) {
-        print('testing $phone');
+        // print('testing $phone');
         expect(phone.isPhoneNumber, true);
       }
 
@@ -571,7 +571,7 @@ void main() {
         // 'omissíssimo',
       ];
       for (final palindrom in palindroms) {
-        print("testing $palindrom");
+        // print("testing $palindrom");
         expect(palindrom.isPalindrom, true);
       }
       expect(alphaNumeric.isPalindrom, false);
@@ -620,7 +620,7 @@ void main() {
       ];
 
       for (final currency in currencies) {
-        print('currency $currency');
+        // print('currency $currency');
         expect(currency.isCurrency, true);
       }
 
@@ -703,13 +703,13 @@ void main() {
       expect(''.camelCase, null);
     });
 
-    test('var.numericOnly', () {
-      expect('foo bar'.numericOnly, 'fooBar');
+    test('var.numericOnly()', () {
+      expect('date: 2020/09/13, time: 00:00'.numericOnly(), '202009130000');
       expect(
-        'the fox jumped in the water'.numericOnly,
-        'theFoxJumpedInTheWater',
+        'and 1, and 2, and 1 2 3'.numericOnly(),
+        '12123',
       );
-      expect(''.numericOnly, null);
+      expect(''.numericOnly(), '');
     });
   });
 }