CodePudding user response:
According to the ASCIICodePudding user response:
C language has a lot of character conversion, judgment of library functions,https://blog.csdn.net/BadAyase/article/details/102383630
Refer to section 08
CodePudding user response:
QChar: : isLower () to determine whether to lowercase and transformationCodePudding user response:
https://blog.csdn.net/qq_38181865/article/details/95440624 this big posts should be able to meet your demandCodePudding user response:
Char judge (char c){
If (c<='Z' & amp; & C>='A')//uppercase and lowercase ANSII poor 32
C -=32;
Else if (c<='z' & amp; & C>
='a')C +=32;
Return c
}
CodePudding user response:
Ayanamilove you add and subtract write inside out