package main
import (
"regexp"
"fmt"
)
func main() {
var re = regexp.MustCompile(`(?<key>\w*) # The key.
\s*:\s* # : with optional spaces around.
(?<value> # The value.
# A string value, single or double-quoted:
(?<quote>["']) # Capture the double or single quote.
(?:\\.|.)*? # Backslash followed by anything or any char, ungreedy.
\k<quote> # The double or single quote captured before.
|
# Int and float numbers:
(?<number>[-+]?[0-9]*\.?[0-9]+([eE][-+]?[0-9]+)?)
|
# true, false and null (or other constants):
(?<constant>true | false | null)
)`)
var str = `# OK for very simple stuff, such as this:
{
float: 'null',
another: "foo",
age: 45,
type: '"simple" \' quote',
comment: "Hello,\nA backslash \\, a tab \t and a \"dummy\" word.\nOk?",
important: true,
weight: 69.7,
negative: -2.5
}
Not ok for complex stuff:
{
subStaff: {
help: true,
}
}`
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/