package main
import (
"regexp"
"fmt"
)
func main() {
var re = regexp.MustCompile(`^P(([0-9]+Y)?([0-9]+M)?([0-9]+W)?([0-9]+D)?(T([0-9]+H)?([0-9]+M)?([0-9]+(\.?[0-9]+)?S)?))?$`)
var str = `^P(([0-9]+Y)?([0-9]+M)?([0-9]+W)?([0-9]+D)?)?(T(([0-9]+)H)?(([0-9]+)M)?(([0-9]+\.?[0-9]*)S)?)?$`
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/