rmonu0189 · ManraajNijjar · Oct 2, 2017 · Oct 3, 2017 · Oct 3, 2017 · Oct 3, 2017
diff --git a/.DS_Store b/.DS_Store
diff --git a/...j/project.xcworkspace/xcuserdata/manraajnijjar.xcuserdatad/UserInterfaceState.xcuserstate b/...j/project.xcworkspace/xcuserdata/manraajnijjar.xcuserdatad/UserInterfaceState.xcuserstate
diff --git a/...onsDemo.xcodeproj/xcuserdata/manraajnijjar.xcuserdatad/xcschemes/xcschememanagement.plist b/...onsDemo.xcodeproj/xcuserdata/manraajnijjar.xcuserdatad/xcschemes/xcschememanagement.plist
@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>SchemeUserState</key>
+	<dict>
+		<key>ValidationsDemo.xcscheme</key>
+		<dict>
+			<key>orderHint</key>
+			<integer>0</integer>
+		</dict>
+	</dict>
+</dict>
+</plist>
diff --git a/ValidationsDemo/Base.lproj/Main.storyboard b/ValidationsDemo/Base.lproj/Main.storyboard
@@ -1,11 +1,11 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="12121" systemVersion="16C67" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" colorMatched="YES" initialViewController="BYZ-38-t0r">
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="13196" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" colorMatched="YES" initialViewController="BYZ-38-t0r">
     <device id="retina4_7" orientation="portrait">
         <adaptation id="fullscreen"/>
     </device>
     <dependencies>
         <deployment identifier="iOS"/>
-        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="12089"/>
+        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="13173"/>
         <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
     </dependencies>
     <scenes>
@@ -84,8 +84,17 @@
                                 <fontDescription key="fontDescription" type="system" pointSize="14"/>
                                 <textInputTraits key="textInputTraits"/>
                             </textField>
+                            <textField opaque="NO" clipsSubviews="YES" contentMode="scaleToFill" contentHorizontalAlignment="left" contentVerticalAlignment="center" borderStyle="roundedRect" placeholder="Word Filter" textAlignment="natural" minimumFontSize="17" translatesAutoresizingMaskIntoConstraints="NO" id="rIB-10-ubY">
+                                <rect key="frame" x="16" y="311" width="343" height="30"/>
+                                <constraints>
+                                    <constraint firstAttribute="height" constant="30" id="D0X-Y5-hrq"/>
+                                </constraints>
+                                <nil key="textColor"/>
+                                <fontDescription key="fontDescription" type="system" pointSize="14"/>
+                                <textInputTraits key="textInputTraits"/>
+                            </textField>
                             <button opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" buttonType="roundedRect" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="fCI-ud-T3u">
-                                <rect key="frame" x="16" y="332" width="343" height="30"/>
+                                <rect key="frame" x="16" y="429" width="343" height="30"/>
                                 <constraints>
                                     <constraint firstAttribute="height" constant="30" id="oZn-rN-b2I"/>
                                 </constraints>
@@ -94,29 +103,44 @@
                                     <action selector="submitTapped:" destination="BYZ-38-t0r" eventType="touchUpInside" id="fMf-3o-AgM"/>
                                 </connections>
                             </button>
+                            <textField opaque="NO" clipsSubviews="YES" contentMode="scaleToFill" contentHorizontalAlignment="left" contentVerticalAlignment="center" borderStyle="roundedRect" placeholder="Word Filter Thorough" textAlignment="natural" minimumFontSize="17" translatesAutoresizingMaskIntoConstraints="NO" id="eqn-04-WMC">
+                                <rect key="frame" x="16" y="349" width="343" height="30"/>
+                                <constraints>
+                                    <constraint firstAttribute="height" constant="30" id="wNM-IK-GSA"/>
+                                </constraints>
+                                <nil key="textColor"/>
+                                <fontDescription key="fontDescription" type="system" pointSize="14"/>
+                                <textInputTraits key="textInputTraits"/>
+                            </textField>
                         </subviews>
                         <color key="backgroundColor" red="1" green="1" blue="1" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                         <constraints>
+                            <constraint firstItem="rIB-10-ubY" firstAttribute="top" secondItem="OyT-3A-Ry7" secondAttribute="bottom" constant="8" id="2CS-lS-CgA"/>
                             <constraint firstAttribute="trailing" secondItem="CVs-tP-ud4" secondAttribute="trailing" constant="16" id="5yS-wa-Jv0"/>
+                            <constraint firstItem="eqn-04-WMC" firstAttribute="leading" secondItem="rIB-10-ubY" secondAttribute="leading" id="ABP-nP-zGm"/>
                             <constraint firstItem="E45-Ox-giI" firstAttribute="top" secondItem="SvQ-RZ-QbB" secondAttribute="bottom" constant="8" id="B5T-3D-Hm2"/>
                             <constraint firstAttribute="trailing" secondItem="aR2-bE-xtS" secondAttribute="trailing" constant="16" id="B7S-hj-LJN"/>
                             <constraint firstItem="uAy-dw-xLf" firstAttribute="leading" secondItem="8bC-Xf-vdC" secondAttribute="leading" constant="16" id="BWT-PH-TM2"/>
                             <constraint firstAttribute="trailing" secondItem="OyT-3A-Ry7" secondAttribute="trailing" constant="16" id="GVd-98-T5t"/>
-                            <constraint firstItem="fCI-ud-T3u" firstAttribute="top" secondItem="OyT-3A-Ry7" secondAttribute="bottom" constant="29" id="IJs-xs-Ki9"/>
                             <constraint firstAttribute="trailing" secondItem="fCI-ud-T3u" secondAttribute="trailing" constant="16" id="JCI-j1-Q9X"/>
                             <constraint firstAttribute="trailing" secondItem="RmN-XZ-MHu" secondAttribute="trailing" constant="16" id="JiG-JG-edO"/>
                             <constraint firstItem="uAy-dw-xLf" firstAttribute="top" secondItem="CVs-tP-ud4" secondAttribute="bottom" constant="8" id="K6K-nV-YLO"/>
                             <constraint firstItem="CVs-tP-ud4" firstAttribute="top" secondItem="E45-Ox-giI" secondAttribute="bottom" constant="8" id="M8n-7c-IS8"/>
                             <constraint firstItem="RmN-XZ-MHu" firstAttribute="leading" secondItem="8bC-Xf-vdC" secondAttribute="leading" constant="16" id="Npn-G4-QeI"/>
+                            <constraint firstItem="eqn-04-WMC" firstAttribute="trailing" secondItem="rIB-10-ubY" secondAttribute="trailing" id="Y5w-gL-c8O"/>
+                            <constraint firstItem="eqn-04-WMC" firstAttribute="top" secondItem="rIB-10-ubY" secondAttribute="bottom" constant="8" id="YNR-V4-aYl"/>
                             <constraint firstAttribute="trailing" secondItem="uAy-dw-xLf" secondAttribute="trailing" constant="16" id="b8R-ff-wKH"/>
                             <constraint firstItem="aR2-bE-xtS" firstAttribute="top" secondItem="y3c-jy-aDJ" secondAttribute="bottom" constant="25" id="bJe-gz-VmN"/>
+                            <constraint firstItem="rIB-10-ubY" firstAttribute="trailing" secondItem="OyT-3A-Ry7" secondAttribute="trailing" id="fac-o2-LxO"/>
                             <constraint firstItem="OyT-3A-Ry7" firstAttribute="top" secondItem="RmN-XZ-MHu" secondAttribute="bottom" constant="8" id="frR-Gw-fyt"/>
                             <constraint firstItem="fCI-ud-T3u" firstAttribute="leading" secondItem="8bC-Xf-vdC" secondAttribute="leading" constant="16" id="gCn-zT-1Gt"/>
                             <constraint firstItem="RmN-XZ-MHu" firstAttribute="top" secondItem="uAy-dw-xLf" secondAttribute="bottom" constant="8" id="ja7-55-swP"/>
+                            <constraint firstItem="fCI-ud-T3u" firstAttribute="top" secondItem="eqn-04-WMC" secondAttribute="bottom" constant="50" id="m4r-Ta-oiK"/>
                             <constraint firstItem="aR2-bE-xtS" firstAttribute="leading" secondItem="8bC-Xf-vdC" secondAttribute="leading" constant="16" id="nqR-3I-0wK"/>
                             <constraint firstItem="CVs-tP-ud4" firstAttribute="leading" secondItem="8bC-Xf-vdC" secondAttribute="leading" constant="16" id="oF8-xp-dzK"/>
                             <constraint firstItem="E45-Ox-giI" firstAttribute="leading" secondItem="8bC-Xf-vdC" secondAttribute="leading" constant="16" id="og5-6Q-80g"/>
                             <constraint firstItem="OyT-3A-Ry7" firstAttribute="leading" secondItem="8bC-Xf-vdC" secondAttribute="leading" constant="16" id="q41-gB-Czq"/>
+                            <constraint firstItem="rIB-10-ubY" firstAttribute="leading" secondItem="OyT-3A-Ry7" secondAttribute="leading" id="rR6-i4-fJI"/>
                             <constraint firstAttribute="trailing" secondItem="E45-Ox-giI" secondAttribute="trailing" constant="16" id="vDK-Jk-Y9d"/>
                             <constraint firstItem="SvQ-RZ-QbB" firstAttribute="leading" secondItem="8bC-Xf-vdC" secondAttribute="leading" constant="16" id="vQ2-r7-hYP"/>
                             <constraint firstItem="SvQ-RZ-QbB" firstAttribute="top" secondItem="aR2-bE-xtS" secondAttribute="bottom" constant="8" id="vnN-qI-D3Y"/>
@@ -131,6 +155,8 @@
                         <outlet property="mobileTextField" destination="E45-Ox-giI" id="KK5-fX-DBc"/>
                         <outlet property="passwordTextField" destination="CVs-tP-ud4" id="TAC-N3-dEG"/>
                         <outlet property="requiredTextField" destination="uAy-dw-xLf" id="aJz-eB-Q9n"/>
+                        <outlet property="wordFilterTextField" destination="rIB-10-ubY" id="QgQ-rF-ate"/>
+                        <outlet property="wordFilterThoroughTextField" destination="eqn-04-WMC" id="HRl-mP-MUl"/>
                     </connections>
                 </viewController>
                 <placeholder placeholderIdentifier="IBFirstResponder" id="dkx-z0-nzr" sceneMemberID="firstResponder"/>

diff --git a/ValidationsDemo/TextFieldValidation/TextFieldValidation.swift b/ValidationsDemo/TextFieldValidation/TextFieldValidation.swift
@@ -72,7 +72,13 @@ internal extension UITextField {
                 case let .range(min, max, message):
                     try rangeValidation(min: min, max: max, message: message)
 
+                case let .filterMessageBase(message):
+                    try wordFilteredValidation(message: message)
+
+                case let .filterMessageExhaustive(message):
+                    try wordFullFilterValidation(message: message)
                 }
+
             }
         }
         catch {
@@ -166,6 +172,37 @@ internal extension UITextField {
         }
     }
 
+    private func wordFilteredValidation(message: String) throws {
+        let wordsInText = text?.split(separator:" ");
+        for word in wordsInText! {
+            if ValidationPreferences.wordsForFilter.contains(String(word)){
+                throw generateException(message);
+            }
+        }
+    }
+
+    private func wordFullFilterValidation(message: String) throws {
+        let regexPatternForSpecialChars = "\\W+"
+        let regexFilter = try! NSRegularExpression(pattern: regexPatternForSpecialChars, options: NSRegularExpression.Options.caseInsensitive)
+        let textRange = NSMakeRange(0, (text?.characters.count)!)
+        var textForFilter = regexFilter.stringByReplacingMatches(in: text!, options: [], range: textRange, withTemplate: "")
+        textForFilter = textForFilter.lowercased()
+        var wordsForFilterDictionary = [String : Bool]()
+        for word in ValidationPreferences.wordsForFilter {
+            wordsForFilterDictionary[String(word)] = true
+        }
+        for firstCharIndex in 0 ... textForFilter.characters.count {
+            for endCharIndex in firstCharIndex ... textForFilter.characters.count {
+                let startIndexForSubstring = textForFilter.index(textForFilter.startIndex, offsetBy: firstCharIndex)
+                let endIndexForSubstring = textForFilter.index(textForFilter.startIndex, offsetBy: endCharIndex)
+                let rangeForSubstring = startIndexForSubstring..<endIndexForSubstring
+                if wordsForFilterDictionary[textForFilter.substring(with: rangeForSubstring)] == true {
+                    throw generateException(message)
+                }
+            }
+        }
+    }
+
     // Generate error from validations
     private func generateException(_ message: String) -> Error {
         return NSError(domain: ValidationPreferences.domain, code: ValidationPreferences.errorCode, userInfo: [NSLocalizedDescriptionKey: message, "textField":self]) as Error

diff --git a/ValidationsDemo/TextFieldValidation/ValidationPreferences.swift b/ValidationsDemo/TextFieldValidation/ValidationPreferences.swift
@@ -17,6 +17,8 @@ enum Validation {
     case characterRange(min:Int, max:Int, message: String)
     case alphaNumeric(message: String)            // Only allowed A-Z lower or upper case or blank space or numeric values.
     case range(min:Int, max:Int, message: String) // Range only apply on numeric values
+    case filterMessageBase(message: String)
+    case filterMessageExhaustive(message: String)
 }
 
 struct ValidationPreferences {
@@ -27,4 +29,5 @@ struct ValidationPreferences {
     static let passwordRegEx        = "(.{6,12})"
     static let domain               = "VALIDATIONFAILED"
     static let errorCode            = 501
+    static let wordsForFilter = [String]()
 }
diff --git a/ValidationsDemo/ViewController.swift b/ValidationsDemo/ViewController.swift
@@ -17,7 +17,9 @@ class ViewController: UIViewController {
     @IBOutlet weak var passwordTextField: UITextField!
     @IBOutlet weak var ageTextField: UITextField!
     @IBOutlet weak var alphaNumericTextField: UITextField!
-
+    @IBOutlet weak var wordFilterTextField: UITextField!
+    @IBOutlet weak var wordFilterThoroughTextField: UITextField!
+
     override func viewDidLoad() {
         super.viewDidLoad()
 
@@ -49,6 +51,8 @@ extension ViewController {
         requiredTextField.validations = [Validation.required(message: "Text field is required")]
         ageTextField.validations = [Validation.range(min: 18, max: 70, message: "Invalid age value")]
         alphaNumericTextField.validations = [Validation.alphaNumeric(message: "Invalid alphanumeric textfield value")]
+        wordFilterTextField.validations = [Validation.filterMessageBase(message: "Sorry these words are not allowed")]
+        wordFilterThoroughTextField.validations = [Validation.filterMessageExhaustive(message: "Sorry these words are not allowed")]
     }
 
     fileprivate func checkValidation() -> Bool{
@@ -60,6 +64,8 @@ extension ViewController {
             try requiredTextField.validate()
             try ageTextField.validate()
             try alphaNumericTextField.validate()
+            try wordFilterTextField.validate()
+            try wordFilterThoroughTextField.validate()
             return true
         }
         catch{