正则表达式

golang
去编号用
[a-zA-Z]+([-/]{1}[a-zA-Z]+[0-9]{1}|[-/]{1}[0-9]{1}|[0-9]{1})[a-zA-Z0-9-/]+|[0-9]+[a-zA-Z-/]{1}[a-zA-Z0-9-/]*|[0-9]{5,}

// ========================  待测试正则  ========================
version1
[a-zA-Z]+([-/]{1}[a-zA-Z]+[0-9]{1}|[-/]{1}[0-9]{1}|[0-9]{1})[a-zA-Z0-9-/]+|[0-9]+[a-zA-Z-/]{1}[a-zA-Z0-9-/]*|[0-9]{5,}

// ========================  说明区域  ========================
// 字母开头，字母数字符号混合的编号:
[a-zA-Z]+([-/]{1}[a-zA-Z]+[0-9]{1}|[-/]{1}[0-9]{1}|[0-9]{1})[a-zA-Z0-9-/]+

// 貴社整理番号
[0-9]+[a-zA-Z-/]{1}[a-zA-Z0-9-/]*

// 5 位以上的纯数字:
[0-9]{5,}

// ========================  包含区域  ========================

纯数字编号  ========================
[pat:08700] RE: [pat:08699] Re: [pat:08698] RE: [pat:08697] RE:データ整理・中国商標
Re: Re: URGENT! Re: RE: Trademark Search Request in China (Filing No.:24351074)

数字开头  ========================
Re: 　書類の送付　　貴社整理番号：13-0532-001US01の継続出願
Re:RE: RE: Certificate required - U.S. Application 15/770,354 based on PCT/CN2016/111600; Yogo Ref.: 181032US; APA Ref.: C18241W-US
数字加分割符的串 2019/09 2019-10-23 2019/10-23 2019/10/23

字母开头  ========================
Re:New Trademark Application in China. HENNECKE; APA Ref: T20199N-CN;　Gaowo Ref: Please advise
ご回答3月中(予定)承知いたしました。　RE: 国内移行期限日のご案内　 国際出願番号：PCT/JP2018/036947、PCT/JP2018/037455　弊整理番号：C17789W、C18647W　
Reviewed/confirmed. Re: !URGENT REMINDER FW: !IMPORTANT_RESPONSE NEEDED_TSUBP003US02_STATEMENT_PENDING ACTION RE: TSUBP003US02_Your Ref: please advise_22 NOV 2019_Ltr re Notice of Publication
RE:_Final_Office_Action_Received_for_U.S._Patent_Application_[ÆON_REF:_TSUB-2018003p][YOUR_REF:_C18443W-US]
Your Ref.: DOH-1134-jp, Our Ref.: D17149W-JP
RE: Notice of Publication received [YOUR REF.: P18936W-US][ÆON REF.: TSUB-2018009p]

// ========================  排除区域  ========================
不含数字 PCT/JP
4 位以内的数字 2020 12 23