package main
import (
"regexp"
"fmt"
)
func main() {
var re = regexp.MustCompile(`(?m)\b(?!\w*(\w)(\w)(?!\1)\2(?!\2)\1)\w+\b`)
var str = `Words that it must exclude:
abba // (ab/ba pair)
smelled // (el/le pair)
trillion // (il/li pair)
test
trillion
trillllion`
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/