package main
import (
"regexp"
"fmt"
)
func main() {
var re = regexp.MustCompile(` ^P
(?=\w*\d)
(?:(?<years>\d+)Y|Y)?
(?:(?<month>\d+)M|M)?
(?:(?<days>\d+)D|D)?
(?:
T
(?:(?<hours>\d+)H|H)?
(?:(?<minutes>\d+)M|M)?
(?:
(?<seconds>
\d+
(?:
\.
\d{1,2}
)?
)S
|
S
)?
)?$`)
var str = `P1Y3M2DT3H3.12S`
if len(re.FindStringIndex(str)) > 0 {
fmt.Println(re.FindString(str),"found at index",re.FindStringIndex(str)[0])
}
}
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/