Answers for "js isLower"

89

javascript lowercase string

var str = "My Big Boy!"
var res = str.toLowerCase(); //res is "my big boy!"
Posted by: Guest on July-16-2019
5

javascript check if all capital letter

function isUpper(str) {
    return !/[a-z]/.test(str) && /[A-Z]/.test(str);
}

isUpper("FOO"); //true
isUpper("bar"); //false
isUpper("123"); //false
isUpper("123a"); //false
isUpper("123A"); //true
isUpper("A123"); //true
isUpper(""); //false
Posted by: Guest on October-30-2020
0

tolowercase javascript

var str = "Pigeon"
var res = str.toLowerCase();
Posted by: Guest on July-20-2021

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