<div>
i need a regular expression to validate textbox to allow only alphabets numbers &nbsp;and space like<br />
<br />
Air India <br />
Air123 Space
</div>


i need a regular expression to validate textbox to allow only alphabets numbers  and space like

Air India
Air123 Space

<div>
Hi Dude,<br />
<br />
You can try this,<br />
<br />
Dim RegexObj as Regex = New Regex(&quot;^\[0-9a-zA-Z ]*$&quot;)<br />
Dim val<br />
val = &quot;Freinkes &nbsp;9y&quot;<br />
RegexObj.IsMatch(val) <br />
<br />
This will return true if your string has only alphabets,digits,spaces.<br />

</div>


Hi Dude,

You can try this,

Dim RegexObj as Regex = New Regex("^\[0-9a-zA-Z ]*$")
Dim val
val = "Freinkes  9y"
RegexObj.IsMatch(val)

This will return true if your string has only alphabets,digits,spaces.


<div>
<div class="content wysiwyg-content">
<br />
<br />
I need a regular expression which allows only numbers alpabets and space <br />
<br />
<br />

</div>
</div>




I need a regular expression which allows only numbers alpabets and space 




regular expression for numbers alphabets and space

Programming includes both the specifics of the language you’re using, like Visual Basic, .NET, Java and others, but also the best practices in user experience and interfaces and the management of projects, version control and development. Other programming topics are related to web and cloud development and system and hardware programming.

Programming

A regular expression ("regex") is a sequence of characters that define a search pattern, mainly for use in pattern matching with strings, or string matching, i.e. "find and replace"-like operations. Regular expression processors are found in several search engines, search and replace dialogs of several word processors and text editors, and in the command lines of text processing utilities, such as sed and AWK. Many programming languages provide regular expression capabilities, some built-in, for example Perl, JavaScript, Ruby, AWK, and Tcl, and others via a standard library, for example .NET languages, Java, Python and C++ (since C++11). Most other languages offer regular expressions via a library.