Nodejs String Replace replaceChars(character, replacement)

Method Source Code

String.prototype.replaceChars = function(character, replacement){
    var str = this;
    var a;/*from   w  w  w  .j  ava  2 s  .c  o  m*/
    var b;
    for(var i=0; i < str.length; i++){
        if(str.charAt(i) == character){
            a = str.substr(0, i) + replacement;
            b = str.substr(i + 1);
            str = a + b;
        }
    }
    return str;
}

Related

1. replaceAt(index, value)

   String.prototype.replaceAt = function(index, value) {
       var str1 = this.slice(0, index);
       var str2 = this.slice(index+1);
       return str1 + value + str2;
   };
   

2. replaceAt(startIndex, endIndex, value)

   String.prototype.replaceAt = function(startIndex, endIndex, value) {
     var beforeIndex = this.substr(0, startIndex);
     var afterIndex = this.substr(endIndex);
     return beforeIndex + value + afterIndex;
   };
   

3. replace(index, subString)

   var text = '',
       inputMessage = 'Enter a text:',
       replacedText,
       nonBreakingWhiteSpace = '&nbsp';
   String.prototype.replace = function (index, subString) {
       var replacedText = this.substr(0, index) + subString + this.substr(index + 1);
       return replacedText;
   function replaceNonBreakingWhiteSpaces(text) {
   ...
   

4. replaceAt_with_size(index, text, size)

   String.prototype.replaceAt_with_size = function(index, text, size){
       return this.substr(0, index) + text + this.substr(index + size);
   

5. replaceBorderWidth(width)

   String.prototype.replaceBorderWidth = function(width) {
     if ( ! width) width = 1;
     return this.replace(/^[0-9]+([a-z]+)?( [a-zA-Z]+ .+)$/, width+'px$2');
   };
   

6. replaceDateFormat()

   String.prototype.replaceDateFormat=function(){
       return this.replace(/-/g,'/');
   

7. replaceEntities()

   String.prototype.replaceEntities = function () {
     return this.replace(/\s*<br>\s*/g, '\n').replace(/&/g, '&amp;').replace(/</g, '&lt;').replace(/>/g, '&gt;').replace(/ +(?= )/g, '');
   };
   

8. replaceEntities()

   String.prototype.replaceEntities = function () {
     return this.replace(/\s*<br>\s*/g, '\n').replace(/&/g, '&amp;').replace(/</g, '&lt;').replace(/>/g, '&gt;').replace(/ +(?= )/g, '').replace('&lt;b&gt;','\n<b>').replace('&lt;/b&gt;','</b>');
   };
   

9. replaceExtension(newExtension)

   String.prototype.replaceExtension = function (newExtension) {
     return this.substring(0, this.lastIndexOf('.')) + newExtension;