package main
import (
"regexp"
"fmt"
)
func main() {
var re = regexp.MustCompile(`(?i)\b(?:[a-z]*([a-z])[^a-z]+(?=\1))+[a-z]*`)
var str = `elementum magna sodales should match elementum magna, while something like Proin nunc curna, aliquet nec should return Proin nunc curna, aliquet, but an earring should return nothing because n is not the same as e`
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/