Nodejs String Camel Case camelize()

Method Source Code

'use strict';//from   w  ww . java2  s.c  om

// TODO: Strip all but [a-zA-Z]

String.prototype.camelize = function () {
  return this.replace(/(?:^\w|[A-Z]|\b\w|\s+)/g, function (match, index) {
    if (+match === 0) {
      return '';
    }// or if (/\s+/.test(match)) for white spaces
    return index === 0 ? match.toLowerCase() : match.toUpperCase();
  });
};

Related

1. camelcase()

   String.prototype.camelcase = function() {
     return this.replace(/_/g, ' ').replace(/(?:^\w|[A-Z]|\b\w|\s+|_+)/g, function(match, index) {
       if (+match === 0) {
         return "";
       return match.toUpperCase();
     });
   };
   

2. camelcase()

   String.prototype.camelcase = function() {
       var result = "";
       var prevChar = undefined;
       for (var i = 0; i < this.length; i++){
           var currentChar = this.charAt(i);
           if (i == 0 || prevChar == " ") {
               result += currentChar.toUpperCase();
           } else {
               result += currentChar;
   ...
   

3. camelcase()

   String.prototype.camelcase = function()
       var result ="";
       var prevchar = undefined;
       for (var i = 0; i < this.length; i ++)
           var currentChar = this.charAt(i);
           if (i == 0 || prevchar == " ")
               result += currentChar.toUpperCase();
           else
               result += currentChar;
           prevchar = currentChar;
       return result;
   };
   module.exports = String;
   

4. camelcase()

   String.prototype.camelcase = function() {
       return this.replace(/[^a-zA-Z0-9 ]+/g, ' ').capitalize(true).remove(/ +/g)
     };
   String.prototype.digits = function() { return this.remove(/[^\d]/g) }
   

5. camelize()

   String.prototype.camelize = function () {
     return this.replace (/(?:^|[_-])(\w)/g, function (_, c) {
       return c ? c.toUpperCase () : '';
     });
   

6. camelize()

   String.prototype.camelize = function() {
     var parts = this.split('-'), len = parts.length;
     if (len == 1) return parts[0];
     var camelized = this.charAt(0) == '-'
       ? parts[0].charAt(0).toUpperCase() + parts[0].substring(1)
       : parts[0];
     for (var i = 1; i < len; i++)
       camelized += parts[i].charAt(0).toUpperCase() + parts[i].substring(1);
     return camelized;
   ...
   

7. camelize()

   String.prototype.camelize = function() {
     return this.replace(/-+(.)?/g, function(match, chr) {
       return chr ? chr.toUpperCase() : '';
     });
   };
   

8. camelize()

   String.prototype.camelize = function() {
     return this.replace(/(?:^|_+)(.)?/g, function(match, chr) {
       return chr ? chr.toUpperCase() : '';
     });
   };
   

9. camelize()

   String.prototype.camelize = function() {
     var s = 'x_' + this.trim().toLowerCase();
     s = s.replace(/[\s_]/g, ' ');
     s = s.replace(/^(.)|\s(.)/g, function($1) {
       return $1.toUpperCase();
     });
     return s.replace(/ /g, '').substr(1);