check if letter is uppercase javascript
const isUpperCase = (string) => /^[A-Z]*$/.test(string)check if letter is uppercase javascript
const isUpperCase = (string) => /^[A-Z]*$/.test(string)how to check string uppercase or lowersace using regex javascript
var regex = /^(?=.*[a-z])(?=.*[A-Z])(?=.*[0-9])(?=.*[!#\*\?])(?=.{8,})/;check if letter is uppercase javascript
var strings = 'this iS a TeSt 523 Now!';
var i=0;
var character='';
while (i <= strings.length){
character = strings.charAt(i);
if (!isNaN(character * 1)){
alert('character is numeric');
}else{
if (character == character.toUpperCase()) {
alert ('upper case true');
}
if (character == character.toLowerCase()){
alert ('lower case true');
}
}
i++;
}Copyright © 2021 Codeinu
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