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I followed the advice given in this other Stack Overflow post and used a pattern found in the list of regexes used by Chrome, but for some reason Chrome is still not detecting that my field is a credit card field.  Safari detects it just fine.   Here...
I've used the code from the link below to try and validate a credit card, however I'm not getting an alert when I submit a the wrong data in the field.  Strip spaces before performing Luhn check  my form is as follows:  <form id="myfor...
I am using Braintree for payment gateway and I have across an issue. I am sending credit card information with other user details.    For security purposes Credit card information has to be encrypted and it is being done by Braintree by including fol...
I am wondering how I can style one input field (type = text) to display with spaces and a slash between numbers, like this:    I know how to constrain the input to digits and perform validation. That's not what I'm asking. I'm wondering a...
I'm trying to mask a portion of a string using JavaScript.  e.g. Mask second and third segment of credit-card number like this using regex:   4567 6365 7987 3783 ? 4567 **** **** 3783 3457 732837 82372 ? 3457 ****** 82372   I just want to keep th...
I'm writing a tool that onkeydown will run the current value being entered in an input box to check to see if it matches a regex for one of the 4 major types of credit cards.  I feel like it kind of works, but it's flaky so I wanted to figure...
I am needing help with a credit card validation script. I have figured out how to determine if a credit card is valid/invalid but what I am needing is this:     If someone enters an invalid credit card number, is there a way to determine which number...
My company purchased an old square reader, the seller claims it is unencrypted. We are trying to develop a web application that uses this reader. The reader is supposed to fire a hard return keypress event after registering a swipe - it has never don...
This is the code [app/code/core/Mage/Payment/Block/Info/Ccsave.php ] to display credit card number in admin panel in magento [sales > order ]  To display all "credit card number" digits , except last four[hide last four digits ]", we h...

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