https://vendoguardachuva.com.br//js/pagarme/validateInputs.js

1/**
2 * The regex validates the following formats:
3 * 'MMYY', 'MM/YY', 'MM / YY'
4 */
5const validDateRegex = new RegExp(/\d{2}\s?\/?\s?\d{2}/)
6const hasNumber = new RegExp(/\d+/)
7
8Validation.add('validate-card-expiration-date', 'Please, enter a valid expiration date. For example 12 / 25.', function(value) {
9  return validDateRegex.test(value)
10})
11
12Validation.add('validate-card-holder-length', 'Please, enter a valid name.', function(value) {
13  return value.length >= 3 && !hasNumber.test(value)
14})
15
16Validation.add('validate-card-number-length', 'Please, enter a valid credit card number.', function(value) {
17  return value.length >= 10
18})
19
20Validation.add('validate-cvv-length', 'Please, enter a valid credit card verification number.', function(value) {
21  return value.length >= 3 && value.length <= 4
22})
23
24Validation.add('validate-installments', 'Please, select the number of installments.', function(value) {
25  return value >= 1 && value <= 12
26})