diff --git a/src/app/components/keyfilter/keyfilter.ts b/src/app/components/keyfilter/keyfilter.ts
index cd9d2f71d55..3870746e09e 100755
--- a/src/app/components/keyfilter/keyfilter.ts
+++ b/src/app/components/keyfilter/keyfilter.ts
@@ -1,7 +1,7 @@
-import { NgModule, Directive, ElementRef, HostListener, Input, forwardRef, Output, EventEmitter, Inject, PLATFORM_ID, Provider, booleanAttribute } from '@angular/core';
 import { CommonModule, DOCUMENT, isPlatformBrowser } from '@angular/common';
+import { Directive, ElementRef, EventEmitter, HostListener, Inject, Input, NgModule, Output, PLATFORM_ID, Provider, booleanAttribute, forwardRef } from '@angular/core';
+import { AbstractControl, NG_VALIDATORS, Validator } from '@angular/forms';
 import { DomHandler } from 'primeng/dom';
-import { Validator, AbstractControl, NG_VALIDATORS } from '@angular/forms';
 import { KeyFilterPattern } from './keyfilter.interface';
 
 export const KEYFILTER_VALIDATOR: Provider = {
@@ -31,15 +31,15 @@ type Keys = {
 };
 
 const DEFAULT_MASKS: Record<KeyFilterPattern, RegExp> = {
-    pint: /[\d]/,
-    int: /[\d\-]/,
-    pnum: /[\d\.]/,
-    money: /[\d\.\s,]/,
-    num: /[\d\-\.]/,
-    hex: /[0-9a-f]/i,
-    email: /[a-z0-9_\.\-@]/i,
-    alpha: /[a-z_]/i,
-    alphanum: /[a-z0-9_]/i
+    pint: /^[\d]*$/,
+    int: /^[-]?[\d]*$/,
+    pnum: /^[\d\.]*$/,
+    money: /^[\d\.\s,]*$/,
+    num: /^[-]?[\d\.]*$/,
+    hex: /^[0-9a-f]*$/i,
+    email: /^[a-z0-9_\.\-@]*$/i,
+    alpha: /^[a-z_]*$/i,
+    alphanum: /^[a-z0-9_]*$/i
 };
 
 const KEYS: Keys = {
@@ -225,8 +225,8 @@ export class KeyFilter implements Validator {
         if (!browser.mozilla && (this.isSpecialKey(e) || !cc)) {
             return;
         }
-
-        ok = (<RegExp>this.regex).test(cc);
+        let val = this.el.nativeElement.value + cc;
+        ok = (<RegExp>this.regex).test(val);
 
         if (!ok) {
             e.preventDefault();
diff --git a/src/app/showcase/doc/keyfilter/regexdoc.ts b/src/app/showcase/doc/keyfilter/regexdoc.ts
index 79d4ba028f5..138dd5d5a18 100644
--- a/src/app/showcase/doc/keyfilter/regexdoc.ts
+++ b/src/app/showcase/doc/keyfilter/regexdoc.ts
@@ -21,8 +21,7 @@ import { Code } from '../../domain/code';
     `
 })
 export class RegexDoc {
-    blockSpace: RegExp = /[^\s]/;
-
+    blockSpace: RegExp = /^[^\s]+$/;
     blockChars: RegExp = /^[^<>*!]+$/;
 
     code: Code = {
@@ -49,8 +48,8 @@ import { Component } from '@angular/core';
     templateUrl: './key-filter-reg-exp-demo.html'
 })
 export class KeyFilterRegExpDemo {
-    blockSpace: RegExp = /[^\s]/; 
-    
+    blockSpace: RegExp = /[^\s]/;
+
     blockChars: RegExp = /^[^<>*!]+$/;
 }`
     };