Update README.md

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Tibor Martini 2017-08-09 13:42:14 +02:00 committed by GitHub
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@ -473,7 +473,7 @@ line. And because of `m` flag now regular expression engine matches pattern at t
* *Alpha-numeric characters*: `^[a-zA-Z0-9]*$`
* *Alpha-numeric characters with spaces*: `^[a-zA-Z0-9 ]*$`
* *Password*: `^(?=^.{6,}$)((?=.*[A-Za-z0-9])(?=.*[A-Z])(?=.*[a-z]))^.*$`
* *email*: `^([a-zA-Z0-9._%-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,4})*$`
* *email*: `^([a-zA-Z0-9._%-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,})*$`
* *IPv4 address*: `^((?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?))*$`
* *Lowercase letters only*: `^([a-z])*$`
* *Uppercase letters only*: `^([A-Z])*$`