Các trường hợp error khi validate email. Trường hợp sử dụng các từ tiếp theo như : / ! “ # $ % & ‘ ( ) = ~ | \ ^ : ; * + ? , ` [ ] { } Trường hợp sử dụng các từ ngoài kí tự tiếng anh trước Trường hợp sử dụng [.(dot), _(underscore)] 2 lần liên tiếp trở lên....

Case error when use a email address not valid. When use next character is: / ! “ # $ % & ‘ ( ) = ~ | \ ^ : ; * + ? , ` [ ] { } Case use character out of Alphabet english. Use [.(dot) or __(underscore)] twice times....

((?<=key).*)(?=:|,)

Detect filepaths in text

Validating steam tradeoffer links

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Matches valid internet-routable IPv4 addresses (Not RFC1918, RFC5735, RFC3927) with optional port delimited by colon. I wrote this specifically for Snort rules that look for hardcoded IPv4 addresses in the HTTP Host header field, but I imagine this may have its uses aside from that. This would hav...

test

Match everything between 2 strings - Including the strings and white space and new lines

extract url from a text where URL is in the end of the string