package main
import (
"regexp"
"fmt"
)
func main() {
var re = regexp.MustCompile(`(?is)<a\s[^>]*href="https?://[^>]*>(.*?)</a>`)
var str = `<a href="https://site.ru/*****>слово</a>
<a class="m" href="https://site.ru/*****>слово</a>
<a href="https://site.ru/*****" class="m" >слово</a>
<a href="https://www.site.ru/sistemy-promyshlennogo-konditsionirovaniya/fankoyly/ballu-machine/" rel="nofollow">слово</a> <br>
<a href="https://www.site2.ru/fdescript/1559/?design=1">слово</a> <br>
<a href="https://www.site3.ru/fdescript/997/?design=1">слово</a> <br>
<a href="https://www.site3.ru/fdescript/1003/?design=1" rel="nofollow">слово</a>
`
var substitution = "\1"
fmt.Println(re.ReplaceAllString(str, substitution))
}
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/