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POHow to add special symbol to the regular expression to allow in text field?
 

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  1. POHow to add special symbol to the regular expression to allow in text field?
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    <p>I have the following code which will allow only numbers 0-9.<br> But i want to allow -(hyphon) also.[- ASCII code is 45]<br> I tried it.. But no use.. Can you update my code?<br> <pre> function isNumericKey(e) { if (window.event) { var charCode = window.event.keyCode; } else if (e) { var charCode = e.which; } else { return true; } if (charCode > 31 &amp;&amp; (charCode &lt; 48 || charCode > 57)) { return false; } return true; } function submitMyNumber() { var input = document.getElementById('myInput').value; return input.match(/^[0-9-]+$/) != null; }</p> <code>&lt;form&gt; &lt;input type="text" id="myInput" name="myInput" onkeypress="return isNumericKey(event);" /&gt;&lt;br /&gt; &lt;input type="submit" id="mySubmit" name="mySubmit" value="Submit My Number" onclick="return submitMyNumber();" /&gt; &lt;/form&gt;&lt;/pre&gt; </code></pre> <p>Laxman Chowdary</p>
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    1. USMr.Chowdary
    1. USMr.Chowdary
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    1. COSo you want to accept numbers with -. right? Or can you please explain what all things you want your code to accept
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      1. USSaurabh
    2. COI want to display date which can allow numbers and separator -(hyphon)..
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      1. USMr.Chowdary
    3. COwhy do you ``return true`` when you get no event? shouldn't ``return false`` ?
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      1. USHachi
 

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