package tools

import (
	"errors"
	"regexp"
)

func GetOneStringByRegex(str, rule string) (string, error) {
	reg, err := regexp.Compile(rule)
	if reg == nil || err != nil {
		return "", errors.New("正则MustCompile错误:" + err.Error())
	}
	//提取关键信息
	result := reg.FindStringSubmatch(str)
	if len(result) < 1 {
		return "", errors.New("没有获取到子字符串")
	}
	return result[1], nil
}
func ReplaceStringByRegex(str, rule, replace string) (string, error) {
	reg, err := regexp.Compile(rule)
	if reg == nil || err != nil {
		return "", errors.New("正则MustCompile错误:" + err.Error())
	}
	return reg.ReplaceAllString(str, replace), nil
}