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Regular Expression Details

Title Test Find Pattern Title
Expression
(\d{6}[-\s]?\d{12})|(\d{4}[-\s]?\d{4}[-\s]?\d{4}[-\s]?\d{4})
Description
Credit card validator Works for switch card numbers too Switch card bit is (\d{6}[-\s]?\d{12}) Credit card bit is (\d{4}[-\s]?\d{4}[-\s]?\d{4}[-\s]?\d{4}) I use this as a client side test before running a more comprehensive server side check.
Matches
5111 1111 1111 11118 | 1234123412341324 | 123456 123456789012
Non-Matches
511a 1111 1111 11118
Author Rating: Not yet rated. Joe Gass
Source
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