validation - How to validate HTML form input without using JavaScript? -

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i have form following:

<form action="/html/tags/html_form_tag_action.cfm" method="get"> <table> <tr> <td>name:</td> <td> <input type="text" name="name_applicant" value="" maxlength="100" /> </td> </tr> <tr> <tr><td>date of birth:</td></tr> <tr> <td>date:</td><td> <select>   <option value ="1">1</option>   <option value ="2">2</option>   <option value ="3">3</option>   <option value ="4">4</option>   <option value ="5">5</option>   <option value ="6">6</option>   <option value ="7">7</option>   <option value ="8">8</option>   <option value ="9">9</option>   <option value ="10">10</option>   <option value ="11">11</option>   <option value ="12">12</option>   <option value ="13">13</option>   <option value ="14">14</option>   <option value ="15">15</option>   <option value ="16">16</option>   <option value ="17">17</option>   <option value ="18">18</option>   <option value ="19">19</option>   <option value ="20">20</option>   <option value ="21">21</option>   <option value ="22">22</option>   <option value ="23">23</option>   <option value ="24">24</option>   <option value ="25">25</option>   <option value ="26">26</option>   <option value ="27">27</option>   <option value ="28">28</option>   <option value ="29">29</option>   <option value ="30">30</option>   <option value ="31">31</option> </select> </td> <td>month:</td> <td> <select>   <option value ="jan">jan</option>   <option value ="feb">feb</option>   <option value ="mar">mar</option>   <option value ="apr">apr</option>   <option value ="may">may</option>   <option value ="jun">jun</option>   <option value ="jul">jul</option>   <option value ="aug">aug</option>   <option value ="sep">sep</option>   <option value ="oct">oct</option>   <option value ="nov">nov</option>   <option value ="dec">dec</option> </select> </td> <td>year:</td> <td> <input type="text" name="first_name" value="" maxlength="4" /> </td> </tr> <tr> <td>emailid:</td> <td> <input type="text" name="first_name" value="" maxlength="25" /> </td><td>@gmail.com</td> </tr> <tr><td> </td> <td> <input type="submit" value="submit" /> </td> </tr> </table> </form>

in form want ensure that, in text box, text accepted input; , numbers accepted in number box. how do without using javascript ?

javascript way validate data on client side before submitted. since javascript can disabled, server-side code should validate submitted data before using it.


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