package main
import (
"regexp"
"fmt"
)
func main() {
var re = regexp.MustCompile(` \(\?P<(\w+)> # named group (name captured as group 1): (?P<name>
( # matching pattern as group (2) in form: b(R1)a1...(R2)a2
[^)(]*+ # `b` (before) part - any not `)(` characters
(?: # non capturing group for repeated `(R)a`
\((?2)\) # `R` - reference to group 2 for possible nested braces
[^)(]*+ # 'a' (after) part - any not `)(` characters
)* # `(R)a` repetition is optional
) # end the group 2
\) # end of the named group to match`)
var str = `(?P<kind>(frames_cleanpass)|(disparity))/(?P<subset>\w+)/(?P<scene_1>\w+)/(?P<scene_2>\w+)/(?P<side>\w+)/(?P<scene_3>\w+)\.(?P<ext>(?(3)pfm|png))`
var substitution = "{\1}"
fmt.Println(re.ReplaceAllString(str, substitution))
}
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/