package main
import (
"regexp"
"fmt"
)
func main() {
var re = regexp.MustCompile(`\s*(?:(async)\s+)?function\s+(?:([_$a-zA-Z][_$a-zA-Z0-9]*)\s*?)?\(((?:\s*(?:[_$a-zA-Z][_$a-zA-Z0-9]*)\s*)(?:,\s*(?:[_$a-zA-Z][_$a-zA-Z0-9]*)\s*)*?)\)\s*?\{\s*([\s\S]*?)\s*\}\s*`)
var str = `
async function (param1, param2) {
console.log(arguments);
}
`
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/