Hi! Is there a way to check if a char is uppercase / lowercase other than: (char+"").toLowerCase().charAt(0) == char ? I saw this method [image] but it didn’t seem to work. I tried using: println(a.isUpperCase(), isUpperCase(a), a.isUpperCase(int(a)), "etc"); but none worked. What I need: …

Hello, You can write your own custom routines. I did this all the time in small embedded systems when a library just bloated the code . Take a look at the ASCII table and you will see patterns that you can work with. void draw() {} void keyPressed() { //if (key >= 0x61 && key <= 0x7A) if…

this is my code using strings: void setup() { String a = "abAB"; println(a, rem(a,1,2), isUpper("a"), invert('a'),invert('B')); } boolean isUpper(String c) { return c.equals(c.toUpperCase()); } char invert(char c) { if(isUpper(c+"")) return (c+"").toLowerCase().charAt(0); else return (c+"…

[image] Flip upper case with lower case Beginners If we print the binary() form of ASCII letters: println(binary('A', 8), hex('A', 2), (byte) 'A'); // 01000001 41 65 println(binary('a', 8), hex('a', 2), (byte) 'a'); // 01100001 61 97 println(binary('Z', 8), hex('Z', 2),…

void setup() { char myChar = 'a'; boolean isLowerCase = Character.isLowerCase(myChar); println("is myChar lower case: " + isLowerCase); myChar = Character.toUpperCase(myChar); isLowerCase = Character.isLowerCase(myChar); println("is myChar lower case: " + isLowerCase); } edit: …

Char, lower/upper case

Processing Beginners

GoToLoop September 29, 2021, 10:15am 4

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Char, lower/upper case

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