Solved

first character of the textbox should not special character in RegularExpressionValidator

Posted on 2014-03-12
4
345 Views
Last Modified: 2014-03-12
First character of the textbox should not special character, what code I have to write  in ValidationExpression= "  " of  RegularExpressionValidator
0
Comment
Question by:Tapan Pattanaik
  • 2
  • 2
4 Comments
 
LVL 52

Expert Comment

by:Carl Tawn
ID: 39923261
Try:
'/^[a-zA-Z0-9].*$/'

Open in new window

0
 
LVL 21

Author Comment

by:Tapan Pattanaik
ID: 39923283
It is not working. Please check the code.

VALID: Test VALID: Hello123
 VALID: 456 Hi
 VALID: 456-789
 VALID: Hi-777
 VALID: 333-Hi
 VALID: Hello-There
 VALID: What's Up
 VALID: Hello#Goodbye
 
INVALID: -Hello
INVALID: &Goodbye


                                            <asp:RequiredFieldValidator ID="refName" runat="server" ErrorMessage="Enter Name"
                                                ControlToValidate="txtName" Display="Dynamic" CssClass="valMsg"></asp:RequiredFieldValidator><asp:RegularExpressionValidator
                                                    ID="revtxtName" runat="server" ErrorMessage="Invalid Name" ControlToValidate="txtName"
                                                    Display="Dynamic" ValidationExpression="/^[a-zA-Z0-9].*$/" CssClass="valMsg"></asp:RegularExpressionValidator>

Open in new window

0
 
LVL 52

Accepted Solution

by:
Carl Tawn earned 500 total points
ID: 39923372
OK, try it as:
^[A-Za-z0-9].*

Open in new window

0
 
LVL 21

Author Closing Comment

by:Tapan Pattanaik
ID: 39923531
100% working. Thank You so much.
0

Featured Post

Courses: Start Training Online With Pros, Today

Brush up on the basics or master the advanced techniques required to earn essential industry certifications, with Courses. Enroll in a course and start learning today. Training topics range from Android App Dev to the Xen Virtualization Platform.

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

In Part 1 (http://www.experts-exchange.com/Programming/Languages/Scripting/JavaScript/A_7849-Hex-Maze.html) we covered the hexagonal maze basics -- how the cells are represented in a JavaScript array and how the maze is displayed.  In this part, we'…
Today I had a very interesting conundrum that had to get solved quickly. Needless to say, it wasn't resolved quickly because when we needed it we were very rushed, but as soon as the conference call was over and I took a step back I saw the correct …
The viewer will learn the basics of jQuery, including how to invoke it on a web page. Reference your jQuery libraries: (CODE) Include your new external js/jQuery file: (CODE) Write your first lines of code to setup your site for jQuery.: (CODE)
The viewer will learn the basics of jQuery including how to code hide show and toggles. Reference your jQuery libraries: (CODE) Include your new external js/jQuery file: (CODE) Write your first lines of code to setup your site for jQuery…

786 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question