package main
import (
"regexp"
"fmt"
)
func main() {
var re = regexp.MustCompile(`(?m)(?<=\.)([^\W\d\_])`)
var str = `Run-D.m.C.
Run-D.M.c.
Run-D.m.c.
Run-d.m.c.
R.E.M.
r.E.M.
R.e.M.
R.e.m.
r.e.m.`
var substitution = "\U$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/