package main
import (
"regexp"
"fmt"
)
func main() {
var re = regexp.MustCompile(`(?m)(?:\s)*<task action="4" id="94(\d\d\d)00(\d\d)">(?:\s)*<release>(?:\s)*<item type="cost" vitality="\d"(?:\s)*\/>((?:\n|.)*?)<item type="param(?:(?:\n|.)*?)(?=<\/win)((?:\n|.)*?)<\/release>(?:\s)*<\/task>(?:\s)*`)
var str = ` <task action="4" id="941010010">
<release>
<item type="cost" vitality="1" />
<item type="fight" npcid="1010010">
<win>
<item type="aside" content="[color=#ff7e53]你胜利了！[/color]" auto="true" />
<item type="random">
<item probability="0.001">
<item type="reward" yueli="300" money="100" auto="true">
<item id="2801" num="1" />
</item>
</item>
<item probability="0.001">
<item type="reward" yueli="300" money="100" auto="true">
<item id="2901" num="1" />
</item>
</item>
<item probability="0.001">
<item type="reward" yueli="300" money="100" auto="true">
<item id="3001" num="1" />
</item>
</item>
<item probability="0.001">
<item type="reward" yueli="300" money="100" auto="true">
<item id="3101" num="1" />
</item>
</item>
</item>
<item type="param" key="fight-1010010" action="update" value="1" />
</win>
<lose>
<item type="aside" content="[color=#ff7e53]你被{rnpc}打倒在地！[/color]" auto="true" />
</lose>
</item>
</release>
</task>`
var substitution = "\n\n\n\n<stroy id="$17$2" areaid="0" startid="-1" endid="-1" maxnum='0' interval='0' count="0" type='3'>$3$4</stroy>\n\n"
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/