package main
import (
"regexp"
"fmt"
)
func main() {
var re = regexp.MustCompile(`(?<=\s)\d(?:(?:-())?\d){5}(?=\s)\1`)
var str = `то есть, матчится:
111-111
11-1111
1-111-11
не матчится:
111111
-111111
111111-
111--111
11-11
1111-1111
`
for i, match := range re.FindAllString(str, -1) {
fmt.Println(match, "found at index", i)
}
}
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for Golang, please visit: https://golang.org/pkg/regexp/