added new validator

Signed-off-by: Matt Bruce <matt.bruce@verizon.com>

VDS/Components/TextFields/InputField/FieldTypes/Telephone.swift

@@ -10,6 +10,35 @@ import UIKit
 
 extension InputField {
     
+    public class TelephoneNumberValidator: Rule, Withable {
+        public var format: String
+        public var errorMessage: String = "Please enter a valid telephone number"
+        
+        public init(format: String) {
+            self.format = format
+        }
+       
+        public func isValid(value: String?) -> Bool {
+            guard let value, !value.isEmpty else { return true }
+            let regex = createRegex(from: format)
+            let predicate = NSPredicate(format: "SELF MATCHES %@", regex)
+            let valid = predicate.evaluate(with: value)
+            return valid
+        }
+       
+        private func createRegex(from format: String) -> String {
+            // Escape special regex characters in the format string
+            let escapedFormat = NSRegularExpression.escapedPattern(for: format)
+           
+            // Replace placeholder characters with regex patterns
+            let regex = escapedFormat
+                .replacingOccurrences(of: "X", with: "\\d")
+           
+            return "^" + regex + "$"
+        }
+    }
+
+    
     class TelephoneHandler: FieldTypeHandler {
         static let shared = TelephoneHandler()
         
@@ -25,14 +54,7 @@ extension InputField {
         }
         
         override func appendRules(_ inputField: InputField) {
-            if let text = inputField.textField.text, text.count > 0 {
-                let rule = CharacterCountRule().copyWith {
-                    $0.maxLength = "XXX-XXX-XXXX".count
-                    $0.compareType = .equals
-                    $0.errorMessage = "Enter a valid telephone."
-                }
-                inputField.rules.append(.init(rule))
-            }
+            inputField.rules.append(.init(TelephoneNumberValidator(format: "XXX-XXX-XXXX")))
         }
         
         override func textField(_ inputField: InputField, textField: UITextField, shouldChangeCharactersIn range: NSRange, replacementString string: String) -> Bool {
@@ -62,6 +84,8 @@ extension InputField {
                 textField.selectedTextRange = textField.textRange(from: newPosition, to: newPosition)
             }
 
+            value = formattedNumber
+            
             // Prevent the default behavior
             return false
 
@@ -71,6 +95,7 @@ extension InputField {
             if let text = inputField.text {
                 let rawNumber = text.filter { $0.isNumber }
                 textField.text = formatUSNumber(rawNumber)
+                value = textField.text
             }
         }