NSIS 检测并统计字符串中某个字符个数

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1. !include "LogicLib.nsh"
   
2. OutFile "检查找字符串中c出现的次数.exe"
   
3. Name "test"
   
4. Section "test"
   
5. StrCpy $0 "cabcdccccc"
   
6. StrLen $1 $0
   
7. StrCpy $2 ''
   
8. loop:
   
9. IntOp $1 $1 - 1
   
10. StrCmp $1 "-1" end
    
11. StrCpy $3 $0 1 $1
    
12. ${if} $3 == c
    
13. StrCpy $2 '$2$3'
    
14. ${endif}
    
15. goto loop
    
16. end:
    
17. StrLen $4 $2
    
18. MessageBox MB_OK 'c出现$4次！'
    
19. SectionEnd

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