baseproject

base_project/lib/utils/validator/text_feild_validator.dart

@@ -0,0 +1,54 @@
+class TextFieldValidator {
+  // Email validation using RegExp for strict validation
+  static String? validateEmail(String? value) {
+    if (value == null || value.isEmpty) {
+      return 'Email is required';
+    }
+
+    // Strict email pattern
+    String pattern =
+        r"^[a-zA-Z0-9]+([._-]?[a-zA-Z0-9]+)*@[a-zA-Z0-9]+([._-]?[a-zA-Z0-9]+)*\.[a-zA-Z]{2,7}$";
+    RegExp regex = RegExp(pattern);
+
+    if (!regex.hasMatch(value)) {
+      return 'Enter a valid email address';
+    }
+
+    return null;
+  }
+
+  // Simple field validation (non-empty check)
+  static String? validateField(String? value) {
+    if (value == null || value.isEmpty) {
+      return 'This field is required';
+    }
+    return null;
+  }
+
+  // Password validation (simple length check, can be expanded for complexity)
+  static String? validatePassword(String? value) {
+    if (value == null || value.isEmpty) {
+      return 'Password is required';
+    }
+
+    // Minimum 8 characters check
+    // if (value.length < 8) {
+    //   return 'Password must be at least 8 characters long';
+    // }
+
+    return null;
+  }
+
+  // Confirm password validation
+  static String? validateConfirmPassword(String? value, String? password) {
+    if (value == null || value.isEmpty) {
+      return 'Confirm password is required';
+    }
+
+    if (value != password) {
+      return 'Passwords do not match';
+    }
+
+    return null;
+  }
+}