package main
import (
"regexp"
"fmt"
)
func main() {
var re = regexp.MustCompile(`(?m)^\((\d)(?!\1{2}\)\1{3}-\1{4}$)\d{2}\)\d{3}-\d{4}$`)
var str = `(888)123-1234
(886)123-1234
(666)666-6666`
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/