package main
import (
"regexp"
"fmt"
)
func main() {
var re = regexp.MustCompile(`(?:spirit_animals\s*=\s*\{|(?!^)\G)\s*'\K([^']+)('\s*:\s*'[^']+',?)`)
var str = `var cool_spirit_animals = {
'Abel': 'unicorn',
'Bob': 'lion'
};
var spirit_plants = {
'Cain': 'venus fly trap'
};
var stupid_spirit_animals = {
'Dan': 'lamprey'
};
var spirit_vampires = {
'Emily': 'Buffy',
'Fred': 'Dracula'
};`
var substitution = "$1 Smith$2"
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/