Question

The regular expression for 4-digit cvc numbers used by american express card holders is?

Answer 1

The regular expression for 4-digit CVC numbers used by American Express card holders is /^\d{4}$/.

CVV stands for Credit card Validation (or Verification) Value. The CVV is a three or four digit code embossed or printed on the opposite aspect of many credit score or debit cards. This is a further protection degree to make certain which you have bodily ownership of the credit score card itself. Remove the remaining range of the credit score card range, then input within side the four digit CVV code, in the end placed the remaining digit of the credit score card again at the credit score card range line. The CVC is the 4-digit range positioned at the the front of the credit score card. The 4-digit range is positioned at the proper or left above the account range. The CVC is the three-digit range positioned at the again of the credit score card, at once after the remaining 4 digits of the credit score card range.

To lean more about CVV from the given link.

brainly.com/question/26709312

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