Category - Regular Expressions
Results 1 - 20 of 66
10 Apr 2020 10 Apr 2020 0 Comments  8949 Views
Here Mudassar Ahmed Khan has explained with an example, how to perform Age range validation (Number range validation) in AngularJS.

The Age range i.e. 18 to 60 years will be validated using AngularJS Form Validation for TextBox and ng-pattern directive in AngularJS.
20 Nov 2019 20 Nov 2019 1 Comments  9103 Views
Here Mudassar Ahmed Khan has explained with an example, how to implement Indian PAN Card Number validation in Windows Forms (WinForms) Application using C# and VB.Net.

When the Submit Button is clicked, the PAN Card Number in TextBox will be validated using Regular Expression (Regex) using C# and VB.Net.
18 Nov 2019 18 Nov 2019 0 Comments  9282 Views
Here Mudassar Ahmed Khan has explained with an example, how to implement Indian PAN Card Number validation using Regular Expression (Regex) in jQuery.

The PAN Card Number entered in the TextBox will be validated on Button click using Regular Expression (Regex) in jQuery.
15 Nov 2019 15 Nov 2019 0 Comments  29309 Views
Here Mudassar Ahmed Khan has explained with an example, how to implement Indian PAN Card Number validation using Regular Expression (Regex) in JavaScript.

The PAN Card Number entered in the TextBox will be validated on Button click using Regular Expression (Regex) in JavaScript.
14 Nov 2019 14 Nov 2019 0 Comments  6506 Views
Here Mudassar Ahmed Khan has explained with an example, how to implement Indian PAN Card Number validation using RegularExpressionValidator in ASP.Net.

The PAN Card Number entered in the TextBox will be validated on Button click using Regular Expression (Regex) and RegularExpressionValidator in ASP.Net.
29 Oct 2019 29 Oct 2019 0 Comments  16664 Views
Here Mudassar Ahmed Khan has explained with an example, how to use multiple Regular Expression (Regex) Data Annotation attributes for validation in ASP.Net MVC Razor.

The validation will be performed on Client Side using Model class and multiple Regular Expression (Regex) Data Annotation attributes in ASP.Net MVC Razor.
05 Jul 2019 08 Jul 2019 0 Comments  3027 Views
Here Mudassar Ahmed Khan has explained with an example, how to perform Email Address validation inside Controller in AngularJS.

This article will illustrate how to use AngularJS Form Validation for TextBox and ng-pattern directive and Regular Expressions (Regex) for validating Email Address in AngularJS.

The Regular Expression for Email validation will be set inside Controller in AngularJS.
02 Jul 2019 02 Jul 2019 1 Comments  9969 Views
Here Mudassar Ahmed Khan has explained a simple tutorial with an example, how to use the ng-pattern directive in AngularJS.

The ng-pattern directive is used to validate the user input for the invalid characters with the help of Regular Expression patterns in AngularJS.
02 Jul 2019 08 Jul 2019 2 Comments  7913 Views
Here Mudassar Ahmed Khan has explained with an example, how to perform Email Address validation in AngularJS.

This article will illustrate how to use AngularJS Form Validation for TextBox and ng-pattern directive and Regular Expressions (Regex) for validating Email Address in AngularJS.
07 Feb 2019 18 Feb 2019 0 Comments  37736 Views
Here Mudassar Ahmed Khan has explained with an example, how to allow only AlphaNumeric (Letters or Numbers), Underscore in Username and it must have length of 3 to 10 characters using JavaScript.

When the Submit Button is clicked, the Username in the TextBox will be validated using JavaScript and Regular Expression (Regex) and if the Username is invalid, the error message will be displayed next to the TextBox using JavaScript.
01 Feb 2019 01 Feb 2019 0 Comments  27195 Views
Here Mudassar Ahmed Khan has explained with an example, how to restrict user from entering Special Characters in TextBox using AngularJS.

This article will illustrate how to perform AlphaNumeric validation for TextBox i.e. allow only Alphabets and Numbers in TextBox using AngularJS.

The AlphaNumeric validation will be performed with the help of ngPatternRestrict module which uses Regular Expressions for restricting characters in TextBox in AngularJS.
01 Feb 2019 01 Feb 2019 0 Comments  50504 Views
Here Mudassar Ahmed Khan has explained with an example, how to restrict user from entering Special Characters in TextBox using jQuery.

This article will illustrate how to perform AlphaNumeric validation for TextBox i.e. allow only Alphabets and Numbers in TextBox using jQuery.

When User types in the TextBox, the text in the TextBox will be validated using OnKeyPress event handler in jQuery and if the inputted character is not AlphaNumeric i.e. Alphabet or Number, the error message will be displayed next to the TextBox.
30 Jan 2019 30 Jan 2019 0 Comments  18694 Views
Here Mudassar Ahmed Khan has explained with an example, how to perform Alphabet validation i.e. allow only Letters (A-Z) using OnKeyPress event in jQuery.

When User types in the TextBox, the text in the TextBox will be validated using OnKeyPress event handler in jQuery and if the inputted character is not Alphabet i.e. Letters (A-Z), the error message will be displayed next to the TextBox.
30 Jan 2019 30 Jan 2019 0 Comments  16272 Views
Here Mudassar Ahmed Khan has explained with an example, how to perform Alphabet validation i.e. allow only Letters (A-Z) using OnKeyPress event in JavaScript.

When User types in the TextBox, the text in the TextBox will be validated using OnKeyPress event handler in JavaScript and if the inputted character is not Alphabet i.e. Letters (A-Z), the error message will be displayed next to the TextBox.
29 Jan 2019 29 Jan 2019 0 Comments  16257 Views
Here Mudassar Ahmed Khan has explained with an example, how to perform Numeric validation i.e. allow only Numbers (Digits) using OnKeyPress event in jQuery.

When User types in the TextBox, the text in the TextBox will be validated using OnKeyPress event handler in jQuery and if the inputted character is not Numeric i.e. Numbers (Digits), the error message will be displayed next to the TextBox.
29 Jan 2019 29 Jan 2019 0 Comments  2142 Views
Here Mudassar Ahmed Khan has explained with an example, how to perform Numeric validation i.e. allow only Numbers (Digits) using OnKeyPress event in JavaScript.

When User types in the TextBox, the text in the TextBox will be validated using OnKeyPress event handler in JavaScript and if the inputted character is not Numeric i.e. Number (Digit), the error message will be displayed next to the TextBox.
29 Jan 2019 29 Jan 2019 0 Comments  20108 Views
Here Mudassar Ahmed Khan has explained with an example, how to perform AlphaNumeric validation i.e. allow only Alphabets and Numbers using OnKeyPress event in jQuery.

When User types in the TextBox, the text in the TextBox will be validated using OnKeyPress event handler in jQuery and if the inputted character is not AlphaNumeric i.e. Alphabet or Number, the error message will be displayed next to the TextBox.
29 Jan 2019 29 Jan 2019 0 Comments  21403 Views
Here Mudassar Ahmed Khan has explained with an example, how to perform AlphaNumeric validation i.e. allow only Alphabets and Numbers using OnKeyPress event in JavaScript.

When User types in the TextBox, the text in the TextBox will be validated using OnKeyPress event handler in JavaScript and if the inputted character is not AlphaNumeric i.e. Alphabet or Number, the error message will be displayed next to the TextBox.
29 Jan 2019 29 Jan 2019 0 Comments  26614 Views
Here Mudassar Ahmed Khan has explained with an example, how to allow only AlphaNumeric, Dot (Period) and Underscore characters in Username using JavaScript.

When the Submit Button is clicked, the Username in the TextBox will be validated using JavaScript and Regular Expression (Regex) and if the Username is invalid, the error message will be displayed next to the TextBox using JavaScript.
25 Jan 2019 25 Jan 2019 0 Comments  17079 Views
Here Mudassar Ahmed Khan has explained with an example, how to perform Email validation without using Regular Expression (Regex) in JavaScript.

This article will illustrate how to validate Email Address without using Regular Expression (Regex) i.e. by making use of String operations and checking the various requirements for a valid Email Address using JavaScript.
Results 1 - 20 of 66