package main
import (
"regexp"
"fmt"
)
func main() {
var re = regexp.MustCompile(`(?s)<a (?:(?!</a>).)*mailicon4\.gif.*?</a>`)
var str = ` <a href='abc'>blah blah</a>
<a class="nonblock nontext" id="u209382" href="mailto:info@example.com">
<!-- rasterized frame --><img class="temp_no_img_src" id="u209382_img" alt="" width="66" height="66"
data-orig-src="images/mailicon4-u209382.png?crc=143036675" src="images/mailicon4.gif?crc=4208392903" /></a>
<a href='abc'>blah blah</a>
`
if len(re.FindStringIndex(str)) > 0 {
fmt.Println(re.FindString(str),"found at index",re.FindStringIndex(str)[0])
}
}
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/