JAVASCRIPT

js split string on capital letter second

'ThisIsTheStringToSplit'.split(/(?=[A-Z])/); // positive lookahead to keep the capital letters

javascript separate words by capital letter

"thisIsATrickyOne".split(/(?=[A-Z])/);

javascript capitalize words

//Updated 
//capitalize only the first letter of the string. 
function capitalizeFirstLetter(string) {
    return string.charAt(0).toUpperCase() + string.slice(1);
}
//capitalize all words of a string. 
function capitalizeWords(string) {
    return string.replace(/(?:^|s)S/g, function(a) { return a.toUpperCase(); });
};

find capital word in string javascript

const str = "HERE'S AN UPPERCASE PART of the string";
const upperCaseWords = str.match(/([A-Z][A-Z]+|[A-Z])/g);

console.log(upperCaseWords);

js capitalize word

const capitalizeFirstLetter(string) => 
	string.charAt(0).toUpperCase() + string.slice(1).toLowerCase()

javascript capitalize all letters

function capitalizeWords(string) {
   return string.replace(/(?:^|s)S/g, function(a) { return a.toUpperCase(); });
};

javascript capitalize all words

export function capitalize(str: string, all: boolean = false) {
  if (all)
    return str.split(' ').map(s => capitalize(s)).join(' ');
  return str.charAt(0).toUpperCase() + str.slice(1);
}