JAVASCRIPT

convert camelcase to sentence case javascript

var text = 'helloThereMister';
var result = text.replace( /([A-Z])/g, " $1" );
var finalResult = result.charAt(0).toUpperCase() + result.slice(1);
console.log(finalResult);

compare string camelcase and lowercase javascript

str.toUpperCase() === str || str.toLowerCase() === str;

camelcase to normal text javascript

"thisStringIsGood"
    // insert a space before all caps
    .replace(/([A-Z])/g, ' $1')
    // uppercase the first character
    .replace(/^./, function(str){ return str.toUpperCase(); })

how to convert string to camel case in javascript

const camelCase = (string) => {
  function camelize(str) {
    return str
      .replace(/(?:^w|[A-Z]|w)/g, function(word, index) {
        return index === 0 ? word.toLowerCase() : word.toUpperCase();
      })
      .replace(/s+/g, "");
  }
  const newText = camelize(string);
  return newText
};

javascript to camelcase

String.prototype.toCamelCase = function () {
	let STR = this.toLowerCase()
		.trim()
		.split(/[ -_]/g)
		.map(word => word.replace(word[0], word[0].toString().toUpperCase()))
		.join('');
	return STR.replace(STR[0], STR[0].toLowerCase());
};

compare string camelcase and lowercase javascript

function sameCase(str) {
  return /^[A-Z]+$/.test(str) || /^[a-z]+$/.test(str);
}

compare string camelcase and lowercase javascript

var haystack = "A. BAIL. Of. Hay.";
var needle = "bail.";
var needleRegExp = new RegExp(needle.replace(/[-[]{}()*+?.,^$|#s]/g, "$&"), "i");
var result = needleRegExp.test(haystack);
if (result) {
    // Your code here
}