package main

import (
	"fmt"
	"regexp"
)

func main() {
	text := "A:99元，B:199元，积分:50"
	// 捕获【数字+元】整体，分组单独取出数字
	re := regexp.MustCompile(`(\d+)元`)
	matches := re.FindAllStringSubmatch(text, -1)

	var amountList []string
	for _, item := range matches {
		// item[0] = 99元，item[1] = 99 纯数字
		amountList = append(amountList, item[1])
	}
	fmt.Println("仅提取金额数字：", amountList)
}