package main
import (
"regexp"
"fmt"
)
func main() {
var re = regexp.MustCompile(`(?m)^\w+(?<!_min)\.(jpg|gif)`)
var str = `desc_125f.jpg -> matched,
desc#_56.jpg -> not matched (contains #),
bla_bla.gif -> matched,
bla_bla.png -> not matched (extension is png),
desc_125f_min.jpg -> not matched (contains _min between a filename and an extension),
desc_min256.gif`
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/