package main
import (
"regexp"
"fmt"
)
func main() {
var re = regexp.MustCompile(`(?m){{\s*(\w*)\s*}}(?=[^%]*%})`)
var str = `sometext {% {{ var1 }} middletext {{ var2 }} %} moretext {{ varx }} {% {{ var3 }} %}`
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/