Jeff Test

Published on Tue Mar 01 2022

Valid and Invalid emails

Additional matching regexes for
Jeff Test

Jeff Test

Valid and Invalid emails


() invalid, (k) valid, (kr123) valid. only () is invalid

IPv4 strict

Valid: Invalid: 1000..256.300

Currency Amount

Format: x0.00 Valid: 13.37 4.20 1.00 Invalid: 13,37 4,20 1,00 1 7.5

Alien username

Input Format The first line contains a single integer, , denoting the number of usernames. Each line of the subsequent lines contains a string denoting an alien username to validate. Constraints Output Format Iterate through each of the strings in order and determine whether or not each string is a valid alien username. If a username is a valid alien username, print VALID on a new line; otherwise, print INVALID. Sample Input 3 _0898989811abced_ _abce _09090909abcD0 Sample Output VALID INVALID INVALID Explanation We validate the following three usernames: _0898989811abced_ is valid as it satisfies the requirements specified above. Thus, we print VALID. _abce is invalid as the beginning _ is not followed by one or more digits. Thus, we print INVALID. _09090909abcD0 is invalid as the sequence of English alphabetic letters is immediately followed by a number. Thus, we print INVALID.

Email with groups

Groups for: Whole email user domain Matches valid emails with numbers, chars, dots and dashes, domains with extensions of 2 or 3 letters.


Regexp for simple emails

Email validator JavaScript

Validates all possible emails with western and cyrilic chars.

Multiple emails seperated with comma

Multiple emails seperated with comma allowed multiple dot ltds

Links in string

Match links (emails included) in string Replace it with HTML links