ĳַһַгֵĴӽβλá

InStrRev(string1, string2[, start[, compare]])

string1 
ѡַʽ 
string2 
ѡַʽ 
Start 
ѡֵʽÿĿʼλáʡԣĬֵΪ -1ʾһַλÿʼ start  Nullִ 
compare 
ѡڼַʱָʾҪʹõıȽ͵ֵʡԣִжƱȽϡйֵġá֡ 

compare ֵ

 Value  
vbBinaryCompare 0 ִжƱȽϡ 
vbDatabaseCompare 2 ִлڰݿ⣨ڴݿִбȽϣеϢıȽϡ 

ֵ
InStrRev ֵ

 InStrRev  
string1 Ϊ㳤 0 
string1 Ϊ Null Null 
string2 Ϊ㳤 start 
string2 Ϊ Null Null 
string2 ûҵ 0 
 string1 ҵ string2 ҵƥַλ 
start > Len(string2) 0 

˵
ʾ InStrRev ַ

Dim SearchString, SearchChar, MyPos
SearchString ="XXpXXpXXPXXP"   ' Ҫַ
SearchChar = "P"   ' Search for "P".
MyPos = InstrRev(SearchString, SearchChar, 10, 0)   ' λ 10 еĶƱȽϡ 9
MyPos = InstrRev(SearchString, SearchChar, -1, 1)   ' λýеıȽϡ 12
MyPos = InstrRev(SearchString, SearchChar, 8)   ' Ĭ£еǶƱȽϣʡĲ 0
ע   InStrRev ﷨ InStr ﷨һ
Ҫ
汾 2

