SysUtils.WrapText - 换行
举例:
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var
ss,s: string;
begin
ss := 'aa.bb e-ff';
s := WrapText(ss, #13#10, ['.',' ',#9,'-'], 0);
ShowMessage(s); {aa.}
{bb }
{e- }
{ff }

s := WrapText(ss, #13#10, ['.',' ',#9,'-'], 5);
ShowMessage(s); {aa. }
{bb e- }
{ff }

s := WrapText(ss, #13#10, ['.',' ',#9,'-'], 10);
ShowMessage(s); {aa.bb e-ff}
end;