package main
import (
"regexp"
"fmt"
)
func main() {
var re = regexp.MustCompile(`(?m)(?<=^#.*\r?\n)#.*$(?!\r?\n#)|(?<!^#.*\r?\n)#.*$(?=\r?\n#)`)
var str = `# line1 <-- startpatern match here
# line2
# line3
# line4 <-- endpatern match here
# line5 <-- no match, since its single line
hi <-- no match
# line6 <-- startpatern match here
# line7 <-- endpatern match here
`
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/