package main
import (
"regexp"
"fmt"
)
func main() {
var re = regexp.MustCompile(`(?m)(?:(?:^label:|(?<!\A)\G)\R(\S+)|^\w+(?=:))(?=(?:.*\R)+---)`)
var str = `---
title: This is a title
label:
one
two
three
ultra
description: "this is a description text"
other_key: value
---
note: this is a note outside the front matter
tip: this is a tip ...
one: this is a one`
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/