const regex = /^(\d+)\s+(\d+)\s+\d+\s+\w+\s+\S+\s+(\S+)\s+(\S+)\s+(\S+\s\S+)\s(\S+\s\S+).*$/gm;
// Alternative syntax using RegExp constructor
// const regex = new RegExp('^(\\d+)\\s+(\\d+)\\s+\\d+\\s+\\w+\\s+\\S+\\s+(\\S+)\\s+(\\S+)\\s+(\\S+\\s\\S+)\\s(\\S+\\s\\S+).*$', 'gm')
const str = `1 100 1 REAL_REWARD ANNOUNCEMENT,NEED_CONTACT 80013:1 50001:90 2020-09-28 10:00:00 2020-09-29 03:59:59 胸针 80002 640 栗雄坐姿玩偶 0
2 100 1 REAL_REWARD ANNOUNCEMENT,NEED_CONTACT 80006:1 50001:460 2020-09-28 10:00:00 2020-09-29 03:59:59 毛毯披肩 80003 640 紫咪小鹰坐姿玩偶 0
3 100 1 REAL_REWARD ANNOUNCEMENT,NEED_CONTACT 80005:1 50001:640 2020-09-28 10:00:00 2020-09-29 03:59:59 嘟嘟河马坐姿玩偶 80004 640 爱逗蛙坐姿玩偶 0 `;
const subst = ` <packageMeta packageId="\1" remark=""> <sum>\2</sum> <limit>1</limit> <discount>1</discount> <type>REAL_REWARD</type> <showTypes class="java.util.ArrayList"> <showType>ANNOUNCEMENT</showType> <showType>NEED_CONTACT</showType> </showTypes> <items>\3</items> <cost>\4</cost> <startTime>\5</startTime> <endTime>\6</endTime> <usingPlatform class="java.util.ArrayList"> <string/> </usingPlatform> <excludePlatform class="java.util.ArrayList"> <string/> </excludePlatform> <extra/> </packageMeta> `;
// The substituted value will be contained in the result variable
const result = str.replace(regex, subst);
console.log('Substitution result: ', result);
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 JavaScript, please visit: https://developer.mozilla.org/en/docs/Web/JavaScript/Guide/Regular_Expressions