This regex matches only when all the following are true: password must contain 1 number (0-9) password must contain 1 uppercase letters password must contain 1 lowercase letters password must contain 1 non-alpha numeric number password is 8-16 characters with no space

Email address compliant with RFC2822

Pattern matching and extracting color code formats using RegEx. https://github.com/Kyza/color-regex/

RegEx email /^((?!\.)[\w-_.]*)(@\w+)(\.\w+(\.\w+)?)$/gim; Just playing with Reg Ex. This to validate emails in following ways The email couldn't start or finish with a dot The email shouldn't contain spaces into the string The email shouldn't contain special chars ( mailname@domain.com First group takes the first string with the name of email \$1 => (mailname) Second group takes the @ plus the domain: \$2 => (@domain) Third group takes the last part after the domain : \$3 => (.com)

Matches all valid IP addresses from 0.0.0.0 to 255.255.255.255

Allows inserting expiry date as MM/YYYY or MM-YYYY format

it detects among us references among us aming us mongus amogus sus suspect was not the impostor no imposters remain 3 impostors remain

Extracts values of the form £nnn,nnn.nn or $nnn.nnn from text

used to parse timezone in the format -08:00 or +05:30

Detects most of the phone numbers all over the world

The secret of the Twitterverse.

Validates IPv4 IP Address

extract video id, index, play list id from youtube url