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Kamil Breguła 2017-07-31 11:50:34 +02:00 committed by GitHub
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@ -478,6 +478,7 @@ line. And because of `m` flag now regular expression engine matches pattern at t
* *Lowercase letters only*: `^([a-z])*$`
* *Uppercase letters only*: `^([A-Z])*$`
* *URL*: `^(((http|https|ftp):\/\/)?([[a-zA-Z0-9]\-\.])+(\.)([[a-zA-Z0-9]]){2,4}([[a-zA-Z0-9]\/+=%&_\.~?\-]*))*$`
See more: [In search of the perfect URL validation regex](https://mathiasbynens.be/demo/url-regex)
* *VISA credit card numbers*: `^(4[0-9]{12}(?:[0-9]{3})?)*$`
* *Date (MM/DD/YYYY)*: `^(0?[1-9]|1[012])[- /.](0?[1-9]|[12][0-9]|3[01])[- /.](19|20)?[0-9]{2}$`
* *Date (YYYY/MM/DD)*: `^(19|20)?[0-9]{2}[- /.](0?[1-9]|1[012])[- /.](0?[1-9]|[12][0-9]|3[01])$`