package main
import (
"regexp"
"fmt"
)
func main() {
var re = regexp.MustCompile(`(?m)^(?!.*?\/form\/).*\.txt$`)
var str = `Should match:
/vol/form.txt
/a/b/c/d/form.txt
/vol/var/hello.txt
./f.txt
./x/x.txt
/tmp/test/f.txt
/tmp/test/x/x.txt
Should NOT match:
/vol/form/various.txt
/form/athrird.txt
/a/b/c/d/form/forth.txt
/vol/var/sender.py
./form
./form/xxx.txt
./x
/tmp/test/form/xxx.txt
`
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/