package main
import (
"regexp"
"fmt"
)
func main() {
var re = regexp.MustCompile(`((?<=\D)|(?<=^))(0+)(?=[1-9]+)|((?<=\D0)0+(?=\D))|((?<=^0)0+(?=\D*$))`)
var str = `0.txt
t001.txt
001.txt
00100.txt
0000.txt
001
00100
0000`
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/