Delphi 提取标签之间的字符串(重复标签)

2020-05-26
  • 函数类型: 自定义函数

  • 函数说明:

提取标签之间的字符串(重复标签)


  • 代码如下:



Function sExtractBetweenTagsB(Const s, LastTag, FirstTag: string): string; var pLast,pFirst,pNextFirst : Integer; begin pFirst := Pos(FirstTag,s); pLast := Pos(LastTag,s); while (pLast > 0) and (pFirst > 0) do begin if (pFirst > pLast) then // Find next LastTag pLast := PosEx(LastTag,s,pLast+Length(LastTag)) else begin pNextFirst := PosEx(FirstTag,s,pFirst+Length(FirstTag)); if (pNextFirst = 0) or (pNextFirst > pLast) then begin Result := Copy(s,pFirst,pLast-pFirst+Length(LastTag)); Exit; end else pFirst := pNextFirst; end; end; Result := ''; end; var s: String; begin s := 'Delphi App Hello Hello SomeText here Hello Hello Hello This is a Test! Hello'; WriteLn(sExtractBetweenTagsB(s,'Test','Hello')); end.



  • 用法示例:

无 



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