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tolower & toupper

can anyone tell me how tolower and toupper expression works? like what happend if its number or sumthin else ? like below.. v *tolower('5') *tolower('?') *toupper('7') *toupper('?')

3rd Jan 2017, 4:20 PM
CLouDz
CLouDz - avatar
3 Réponses
+ 7
If the evaluated character doesn't have a lowercase counterpart, nothing will be changed.
3rd Jan 2017, 4:26 PM
Hatsy Rei
Hatsy Rei - avatar
+ 6
Stays the same?
3rd Jan 2017, 4:24 PM
Valen.H. ~
Valen.H. ~ - avatar
+ 2
ohh thanks... i think so too .. but.. i was uncertain of it so.. yea... lol.. thanks
3rd Jan 2017, 4:27 PM
CLouDz
CLouDz - avatar