package main
import (
"regexp"
"fmt"
)
func main() {
var re = regexp.MustCompile(`(?ms)([a-zA-Z_$][0-9a-zA-Z_$]*)\s?=\s?new XMLHttpRequest.+?(\1\.((open|send)\(.+?\)))`)
var str = `function sendREq(url) {
var xhr_req=new XMLHttpRequest();
xhr.onreadystatechange = function() {
if (xhr.readyState == XMLHttpRequest.DONE) {
alert(xhr.responseText);
}
}
xhr_req.open('GET', 'http://example.com', true);
xhr_req.send(null);
}
var namedFunc = function(param1, param2) {
// return param1 * param2
}
var req = new XMLHttpRequest()
req.open('POST', 'http://example.com', false);
req.send(null)
`
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/