On Tuesday, August 16, 2016 at 1:00:15 PM UTC+2, Jan Mercl wrote:
>
> This code (A)
>
> package main
>
> import (
> "fmt"
> "regexp"
> )
>
> func main() {
> fmt.Printf("%v",
> regexp.MustCompile(`a*`).FindAllStringIndex(`baaab`, -1))
> }
>
> (https://play.golang.org/p/WeyStT0Gbn)
>
> Produces
>
> [[0 0] [1 4] [5 5]]
>
> Why there is no match at [4 4]? That's at the (start of the) second letter
> b in the text, analogically to the first match [0, 0]. Am I missing
> something or is it a bug?
>
Seems like these sentences from the regexps docs match your case:
"If 'All' is present, the routine matches successive non-overlapping
matches of the entire expression. Empty matches abutting a preceding match
are ignored. "
The match at [4 4] would be an empty match abutting a preceding match.
Damian
>
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