package main
import (
"regexp"
"fmt"
)
func main() {
var re = regexp.MustCompile(`(?mi)<img(?!.*\s+alt\s*=).+$`)
var str = `<img src="smiley.gif" alt="Smiley face" height="42" width="42">
<img src="smiley2.gif" height="42" width="42">
<img src="smiley3.gif" alt="Smiley face Three" height="42" width="42">`
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/