Oh boy what a beautiful regex. I’m sure it does something logical and easy to understand.

@RegalPotoo@lemmy.world

Something like

!“A line with exactly 0 or 1 characters, or a line with a sequence of 1 or 3 or more characters, repeated at least twice”!<

@NateNate60@lemmy.world

It’s a line with a sequence of two or more characters repeated at least twice.

@MummifiedClient5000@feddit.dk

Only the part after the pipe character. The pipe character works as an “or” operator. RegalPotoo is right.

@NateNate60@lemmy.world

They said—

A line with exactly 0 or 1 characters, or a line with a sequence of 1 or 3 or more characters, repeated at least twice

Note—

…or a line with a sequence of 1 or 3 or more characters, repeated at least twice

It should be—

…or a line with a sequence of 2 or more characters, repeated at least twice

The regex in the post will match “abab”. Their original description (line 2 of this comment) will not match “abab”.

@MummifiedClient5000@feddit.dk

I agree, you’re right about the part after the pipe and RegalPotoo’s explanation was not entirely correct.

@naonintendois@programming.dev

You’re misreading the ..+? part. That means 2 or more characters, non greedy.

Rules: