package main
import (
"regexp"
"fmt"
)
func main() {
var re = regexp.MustCompile(`(?m)(?<Semantic>(?<Major>[0-9]+)\.(?<Minor>[0-9]+)(?:\.(?=[0-9]))?(?<Maintenance>[0-9]+)?(?:\.(?=[0-9]))?(?<Patch>[0-9]+)?)(?<Label>(?:(?:\.|\-|\+)?\w+)+)?`)
var str = `Should Match:
5.6.20.4-dev+a2c4ok ok
1.3.2
12.0.2.1000 ok
3.60.2.300 ok
0.0.2.1-dev ok
2.0.3.1dev ok
this is v1.2.3.1 ok
1.2.3
30.0000.1.222.3333
Should Not Match
1
1.
12
12.
123
123.`
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/