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分享怎么从右边开始搜索某个字符第一次出现的位置？
字符串查找 比如在 "ABCDFR.txt" 从右边开始里找 . 第一次出现的位置用什么函数呀，请教
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zzhong2 2003-02-19
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int i;
AnsiString s = "ABCDFR.txt";
i=s.LastDelimiter("." );
//i=7
AnsiString s = "ABCDFR.txt";
i=s.LastDelimiter("." );
//i=7
zzhong2 2003-02-19
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AnsiString::LastDelimiter
Returns the index of the rightmost character that matches any character in the delimiters string.
int __fastcall LastDelimiter(const AnsiString& delimiters) const;
Description
LastDelimiter returns the byte index in this AnsiString of the rightmost whole character that matches any character in delimiters except NULL The AnsiString may contain multibyte characters; delimiters must contain only single byte non-NULL characters.
Note: Some characters must still be represented using a leading backslash. For example:
AnsiString s = "c:\\filename.ext";
s.LastDelimiter("\\.:" );
returns 12.
Returns the index of the rightmost character that matches any character in the delimiters string.
int __fastcall LastDelimiter(const AnsiString& delimiters) const;
Description
LastDelimiter returns the byte index in this AnsiString of the rightmost whole character that matches any character in delimiters except NULL The AnsiString may contain multibyte characters; delimiters must contain only single byte non-NULL characters.
Note: Some characters must still be represented using a leading backslash. For example:
AnsiString s = "c:\\filename.ext";
s.LastDelimiter("\\.:" );
returns 12.
whitelion 2003-02-19
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pos就是
gk0205 2003-02-19
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extern PACKAGE char * __fastcall StrRScan(const char * Str, char Chr);
zihan 2003-02-19
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StrRScan(const *char,const *char);
halibut 2003-02-19
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AnsiString str="ABCDFR.txt";
int pos;
pos = str.Pos(".");
if(pos>0 && str.SubString(pos + 1,str.Length()-pos).Pos(".")==0)
{
//OK
}
else
{
//NO
}
int pos;
pos = str.Pos(".");
if(pos>0 && str.SubString(pos + 1,str.Length()-pos).Pos(".")==0)
{
//OK
}
else
{
//NO
}
