Nodejs String Title Case toTitleCase()

Method Source Code

String.prototype.toTitleCase = function () {
  if (!this) throw new Error('Null refference extension.');
  if (!this.length) return this;
  
  var words = this.split(' ');
  
  if (words.length === 1) 
    return this[0].toUpperCase() + this.substring(1).toLowerCase();

  for (var i = 0; i < words.length; i++) {
    words[i] = words[i].toTitleCase();/*from ww w  .jav a 2s . c  om*/
  };

  return words.join(' ');
};

Related

1. toTitleCase()

   String.prototype.toTitleCase = function(){
     var smallWords = /^(a|an|and|as|at|but|by|en|for|if|in|nor|of|on|or|per|the|to|vs?\.?|via)$/i;
     return this.replace(/[A-Za-z0-9\u00C0-\u00FF]+[^\s-]*/g, function(match, index, title){
       if (index > 0 && index + match.length !== title.length &&
         match.search(smallWords) > -1 && title.charAt(index - 2) !== ":" &&
         (title.charAt(index + match.length) !== '-' || title.charAt(index - 1) === '-') &&
         title.charAt(index - 1).search(/[^\s-]/) < 0) {
         return match.toLowerCase();
       if (match.substr(1).search(/[A-Z]|\../) > -1) {
         return match;
       return match.charAt(0).toUpperCase() + match.substr(1);
     });
   };
   

2. toTitleCase()

   String.prototype.toTitleCase = function () {
     var smallWords = /^(a|an|and|as|at|but|by|en|for|if|in|of|on|or|the|to|vs?\.?|via)$/i;
     return this.replace(/([^\W_]+[^\s-]*) */g, function (match, p1, index, title) {
       if (index > 0 && index + p1.length !== title.length &&
         p1.search(smallWords) > -1 && title.charAt(index - 2) !== ":" && 
         title.charAt(index - 1).search(/[^\s-]/) < 0) {
         return match.toLowerCase();
       if (p1.substr(1).search(/[A-Z]|\../) > -1) {
   ...
   

3. toTitleCase()

   String.prototype.toTitleCase = function () {
       var smallWords = /^(a|an|and|as|at|but|by|en|for|if|in|of|on|or|the|to|vs?\.?|via)$/i;
       return this.replace(/([^\W_]+[^\s-]*) */g, function (match, p1, index, title) {
           if (index > 0 && index + p1.length !== title.length &&
               p1.search(smallWords) > -1 && title.charAt(index - 2) !== ":" &&
               title.charAt(index - 1).search(/[^\s-]/) < 0) {
               return match.toLowerCase();
           if (p1.substr(1).search(/[A-Z]|\../) > -1) {
   ...
   

4. toTitleCase()

   String.prototype.toTitleCase = function () {
       return this.replace(/\w\S*/g, function(txt){return txt.charAt(0).toUpperCase() + txt.substr(1).toLowerCase();});
   };
   

5. toTitleCase()

   String.prototype.toTitleCase = function(){
     var smallWords = /^(a|an|and|as|at|but|by|en|for|if|in|nor|of|on|or|per|the|to|vs?\.?|via)$/i;
     return this.replace(/[A-Za-z0-9\u00C0-\u00FF]+[^\s-]*/g, function(match, index, title){
       if (index > 0 && index + match.length !== title.length &&
         match.search(smallWords) > -1 && title.charAt(index - 2) !== ":" &&
         (title.charAt(index + match.length) !== '-' || title.charAt(index - 1) === '-') &&
         title.charAt(index - 1).search(/[^\s-]/) < 0) {
         return match.toLowerCase();
       if (match.substr(1).search(/[A-Z]|\../) > -1) {
         return match;
       return match.charAt(0).toUpperCase() + match.substr(1);
     });
   };
   

6. toTitleCase()

   String.prototype.toTitleCase = function(){
     var smallWords = /^(a|an|and|as|at|but|by|en|for|if|in|nor|of|on|or|per|the|to|vs?\.?|via)$/i;
     return this.toLowerCase().replace(/[A-Za-z0-9\u00C0-\u00FF]+[^\s-]*/g, function(match, index, title){
       if (index > 0 && index + match.length !== title.length &&
         match.search(smallWords) > -1 && title.charAt(index - 2) !== ":" &&
         (title.charAt(index + match.length) !== '-' || title.charAt(index - 1) === '-') &&
         title.charAt(index - 1).search(/[^\s-]/) < 0) {
         return match.toLowerCase();
       if (match.substr(1).search(/[A-Z]|\../) > -1) {
         return match;
       return match.charAt(0).toUpperCase() + match.substr(1);
     });
   };
   

7. toTitleCase()

   String.prototype.toTitleCase = function() {
       return this.replace(/\w\S*/g, function(txt) {
           if (txt)
               return txt.charAt(0).toUpperCase() + txt.substr(1).toLowerCase();
           else
               return this;
       });
   

8. toTitleCase()

   String.prototype.toTitleCase = function() {
     return this.replace(/\w\S*/g, function(txt) {
       return txt.charAt(0).toUpperCase() + txt.substr(1).toLowerCase();
     });
   };
   

9. toTitleCase()

   String.prototype.toTitleCase = function() {
     return this.replace(/([\w&`'?"?@:\/\{\(\[<>_]+-? *)/g,
     function(match, p1, index, title) {
       if (index > 0 && title.charAt(index - 2) !== ":" && match.search(/^(a(nd?|s|t)?|b(ut|y)|en|for|i[fn]|o[fnr]|t(he|o)|vs?\.?|via)[ \-]/i) > -1) return match.toLowerCase();
       if (title.substring(index - 1, index + 1).search(/['"_{(\[]/) > -1) return match.charAt(0) + match.charAt(1).toUpperCase() + match.substr(2);
       if (match.substr(1).search(/[A-Z]+|&|[\w]+[._][\w]+/) > -1 || title.substring(index - 1, index + 1).search(/[\])}]/) > -1) return match;
       return match.charAt(0).toUpperCase() + match.substr(1);
     });
   };
   ...