credit-card Questions

31

Solved

I want to format a UITextField for entering a credit card number into such that it only allows digits to be entered and automatically inserts spaces so that the number is formatted like so: XXXX X...
Mercurial asked 23/8, 2012 at 1:35

6

Solved

Are there any known regular expressions out there to validate credit card track 1 and track 2 data? EDIT: From Wikipedia: The information on track 1 on financial cards is contained in several fo...
Despinadespise asked 29/3, 2010 at 20:2

4

I need to scan a credit card and get details like Card Holder name, CVV, Expiry Date and Card Number etc. I had tried with card.io library but I am only able to fetch expiry date and card num...
Heinie asked 23/6, 2017 at 10:59

9

Solved

Given a credit card number and no additional information, what is the best way in PHP to determine whether or not it is a valid number? Right now I need something that will work with American Expr...
Poacher asked 6/10, 2008 at 15:21

3

Solved

How I give space between 4 digits ? Want help to solve issue
Lentigo asked 27/3, 2022 at 2:0

0

I want to launch the "Scan New Card" activity from my Android Application. This functionality is provided by Google to scan and fill the credit/debit card number inside the EditText and i...
Nonbeliever asked 18/2, 2023 at 4:23

2

Solved

according to wiki, the Discretionary data — may include Pin Verification Key Indicator (PVKI, 1 character), PIN Verification Value (PVV, 4 characters), Card Verification Value or Card Verific...
Slave asked 2/9, 2012 at 21:24

13

I tried to check the validation of credit card using Luhn algorithm, which works as the following steps: Double every second digit from right to left. If doubling of a digit results in a two-digi...
Walling asked 23/12, 2013 at 9:23

6

Solved

When using Stripe in live mode I get this PHP error: No such token tok_fgfhn.. a similar object exists in test mode, but a live mode key was used to make this request Everything works well in...
Culp asked 9/3, 2015 at 22:34

4

Solved

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 cr...
Dulia asked 29/8, 2015 at 18:34

2

Solved

I'm currently using stripe and ask customer to register the card (via stripe). After the first checkout, the customer has his card registered. This customer can re-use this card for another checko...
Jarietta asked 26/5, 2015 at 9:58

5

I am working in EMV card and my new task is to compare Magstripe data with chip data. Data that should be common in Mag and chip is:- PAN, Card Holder Name, Expiry date. Here I don't understand the...
Sold asked 20/10, 2014 at 17:50

2

Solved

15 digit bank card numbers are formatted 0000-000000-00000[1]. If I show the last 4 digits, it becomes xxxx-xxxxxx-x0000 which looks slightly goofy. Is there a correct way to format a masked 15 d...
Folketing asked 28/9, 2011 at 21:27

4

In React Native using <TextInput/>, I am trying to make / appear only when the <TextInput/> is focused, and would stay there if another input is entered in. Currently, the format is MM/...
Doggone asked 28/10, 2016 at 22:0

3

Solved

I am developing a set of tools in Java for validating and working with credit cards. So far I have support for: LUHN validation. Date validation (simple expiration). Card code length validation (...
Coinage asked 20/7, 2012 at 13:13

5

Solved

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. Th...
Gannie asked 6/9, 2014 at 19:3

6

Solved

We have a large database with a lot of data in it. I found out recently our sales and shipping department have been using a part of the application to store clients credit card numbers in the open....
Jacobo asked 26/6, 2012 at 13:23

3

Solved

I'm trying to develop an application, which would give access to different services for people from different regions of the world. Let's say, someone enters card number 1111-1111-1111-1111 . How...
Angadresma asked 2/7, 2012 at 15:57

2

On iOS 13 Chrome, when focusing on a text input, a wide gray bar will show on top of the keyboard with only a couple buttons for password and credit card autocompletion even though the input has at...
Melchior asked 14/5, 2020 at 3:39

1

Solved

I've created the following code to get all the cards for my customer: return stripe.customers.listSources(customerId, { object: "card", limit: 10 }).then(cards => { if (cards) { res.status...
Longe asked 20/5, 2020 at 15:35

2

Solved

I want to keep input Capacity to 16 numbers and insert space between each set of 4 numbers. I did a deep search for a input for credit cards that allow user to insert 16 digits and enter a " - " o...
Pigeontoed asked 18/5, 2018 at 17:14

10

Solved

Various online services have different values for maximum year of expiry, when it comes to Credit Cards. For instance: Basecamp: +15 years (2025) Amazon: +20 years (2030) Paypal: +19 years (2029...
Samsun asked 23/3, 2010 at 14:17

2

Solved

I'm testing an EMV card reader, and I've done the steps indicated here here and here but I can't find a way to know if it's possible or not to get the Card Verification Value (CVV) code that I migh...
Lophophore asked 1/7, 2013 at 20:52

15

Solved

Can credit card type be determined solely from the credit card number? Is this recommended or should we always ask client for the type of credit card they're using? I Googled about it and found t...
Genital asked 20/8, 2009 at 19:3

9

Solved

How does one determine that the card a person is entering is a debit card, check card, or credit card? I am looking at this for web payments in the US only. This is for utility billing.
Immobility asked 25/9, 2009 at 20:15

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