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I have a product with custom option using text field, I'd like a validation to it so that only letters is allow i.e. just like those "required field", alert message will pop up if your input it not accepted.

I have been looking around for hours to see where is the option-list located but with no luck.

  • I have not used this myself, but found this the other day. rocketweb.com/custom-option-validator - the code itself may give you some idea of where to look. – ProxiBlue Jan 13 '15 at 8:45
  • Thanks i tried the extension but it is not working for me, dunno why. – pakicle Jan 13 '15 at 17:13
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Finally i found the custom-option-text field is located at: ..\app\design\frontend\base\default\template\catalog\product\view\options\type\text.phtml

for the line

<input type="text" onchange="opConfig.reloadPrice()" id=.... $_option->getIsRequire() ? 'required-entry'..... 

I used "required-entry validate-alpha" to replace the default 'required-entry', now for all custom options with text field it allows alphabet only, hard coded. Hope this may help anyone in needed.

0

Magento does not natively support the ability to provide validation on custom options. What you can do is take a look at the following third party module, developed by RocketWeb:

Custom Option Validator

I can't specifically vouch for it as I haven't found the need to use this before. But it is free and seems to do what you're looking for - so give it a shot and give us some feedback.

A great article worth reading which will allow you to implement it yourself:

Mini Tutorial: Adding REGEX Validation to Custom Options

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