[theforum] Reg Expressions to validate form

[Sue S]

Hi There,

I am learning Java script and was wondering somebody could give me the code to validate a simple form using Reg Expressions please?

1-It should not validate if there is a number in the Name and last name fields
2-Phone pattern should be xxx-xxx-xxxx
3-should check for the @ sign, dot sign and com in email field.
4-should warn the user to enter the correct pattern next to each field

here it is the html code:

<form method="get" action="Thank you.html">
    
    <fieldset>
    <label for="FirstName">First Name</label>
    <input type="text" id="FirstName" value="" />
    </fieldset>
    <p id="firstNameError">
    </p>
    <hr />
    
    <fieldset>
    <label for="LastName">Last Name</label>
    <input type="text" id="LastName" value="" />
    </fieldset>
     <p id="LastNameError">
    </p>
    <hr />
    
    <fieldset>
    <label for="Email">Email</label>
    <input type="text" id="Email" value="" />
    </fieldset>
    <p id="EmailError">
    </p>
    <hr />
    
    <fieldset>
    <label for="Phone">Phone</label>
    <input type="text" id="Phone" value="" />
    </fieldset>
     <p id="EmailError">
    </p>
    <hr />
    
    <fieldset>
    <input type="submit" id="submitButton" value="Submit"  />
    </fieldset>
    <hr />
    
    
    </form>
</div>

</body>


Thanks in advance.


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