const aSourceString, aFindString : String; const aSourceLen, aFindLen, StartPos : integer ) : integer; function FastReplace( var aSourceString : String; const aFindString, aReplaceString : String; CaseSensitive : Boolean = False) : String; function FastPos( const aSourceString, aFindString ...
function ToUpper(ch: char): char; begin Result := chr(ord(ch) and $DF); end; 12、{转换为小写字符} function ToLower(ch: char): char; begin Result := chr(ord(ch) or $20); end; { Capitalizes first letter of every word in s } function Proper(const s: string): string; var i...
字符串是从1开始的,字符串中的第一个字符是在S[1]中,短字符串(ShortString)的0元素(S[0])包含了字符串的长度,而不是字符串的第一个字符,在长字符串(AnsiString)和宽字符串(WideString)中不能存取X[0]。ShortString可以访问X[0] 注意:定义一个字符串 s: string; 1. 进行赋值 s:= 'Text'; 1. 进行...
8.StringReplace(const S, OldPattern, NewPattern: string;Flags: TReplaceFlags): string; 字符串替换函数,需要引用SysUtils单元 rfReplaceAll:全部替换 rfIgnoreCase:忽略大小写 使用方法Lg: str:='01231142211 :655767';//需要把:替换成--- s:=StringReplace(str,':','---',[rfReplaceAll]); For Example...
ParamHelp(helptext,valuename): Defines a commandline help text and value name in usage section. ParamSwitchChar(sign): Defines string or char to indicate switch or parameter. If not defined, a double dash (--) will be used by default. ParamValueSeparator(sign): Defines string or char to...
Function Replace(str1,str2,str3:string):string; var pos1:integer; begin repeat pos1:=pos(str2,str1); if pos1=0 then break; delete(str1,pos1,length(str2)); insert(str3,str1,pos1); until false; Replace:=str1; end; type="text/javascript" ...
函数原型 function DateTimeToStr(DateTime: TDateTime): string;范例procedure TForm1.Button1Click(Sender: TObject); begin Label1.Caption := DateTimeToStr(Now); end;---DateTimeToString 日期时间转换成自定型字串---Unit SysUtils函数原型 procedure DateTime...
// Create an unicode string with special // char in front and at the end. string str = '\u2250' + "azertyuiop qsdfghjklm" + '\u9999' ; // Create a trace node with the same icon and // Enabled properties as TTrace.Debug TraceNodeEx node = new TraceNodeEx (TTrace.Debug) ;...
ShortStringremains unchanged in both functionality and declaration, and will work just as before. ShortStringdeclarations allocate a buffer for a specific number ofAnsiChars. Consider the following code: varS:string[26];beginS:='abcdefghijklmnopqrstuvwxyz'; ...