A regex that can match different usernames I presume.
A regex or regular expression is a language to declare patterns to be matched.
You see that “communis(t|m)”? That’s a simple regex that matches both “communist” and “communism”. You can make one for every pattern imaginable, like a username and every number combination afterwards and so on.
A regex that can match different usernames I presume.
A regex or regular expression is a language to declare patterns to be matched.
You see that “communis(t|m)”? That’s a simple regex that matches both “communist” and “communism”. You can make one for every pattern imaginable, like a username and every number combination afterwards and so on.