package main
import (
"regexp"
"fmt"
)
func main() {
var re = regexp.MustCompile(`(?m)<iframe[^>]*?title=(\\\'|\\"|[\'"])([^>]*?)\1`)
var str = `<img src="..." title="title"/>
'<iframe src="..." title="title" width="324" height="auto"/>'
"<iframe src='...' width='324' height='auto' title='title' ></iframe>"
"<iframe src=\"...\" title=\"title\" width=\"324\" height=\"auto\"/>"
'<iframe src=\'...\' width=\'324\' height=\'auto\' title=\'title\' ></iframe>'
"<iframe src=\"...\" title=\"title's with apostrophe\" width=\"324\" height=\"auto\"/>"
"<iframe src='...' width='324' height='auto' title='title \"quoting\" something' ></iframe>"
`
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/