Nodejs String Trim trim()

Method Source Code

/**/*from  w ww.j  a v a 2  s.  c o  m*/
@Name: String.prototype.trim
@Description: trims whitespace from both left and right side of a string
@Return: String The original string with whitespace removed from left and right side
@Example:
var str = '    hello world       ';

var newString = str.trim();
//newString = 'hello world'
*/
String.prototype.trim = function() {
   return this.replace(/(^\s+|\s+$)/g, '');
};

Related

1. trim()

   String.prototype.trim = function() {
       return this.replace(/^\s*/, "").replace(/\s*$/, "");
   

2. trim()

   if (!String.prototype.trim)
   String.prototype.trim = function()
     return this.replace(/^[\s]+|[\s]+$/g, "");
   };
   

3. trim()

   String.prototype.trim=function(){
       return this.replace(/(^\s*)|(\s*$)/g, "");
   function getPercent(value, total) {
       value = parseFloat(value)
       total = parseFloat(total)
       if (isNaN(value) || isNaN(total)) {
           return 0;
       return total <= 0 ? 0 : (Math.round(value / total * 10000) / 100.00);
   

4. trim()

   String.prototype.trim = function()
           return String(this).replace(/^\s+|\s+$/g, '');
   };
   

5. trim()

   String.prototype.trim = function() {
     return this.ltrim().rtrim();
   

6. trim()

   String.prototype.trim = function ()
    return this.replace(/^\s*(\S*(\s+\S+)*)\s*$/, "$1");
   "[" + "         1234    ".trim() + "]"
   

7. trim()

   String.prototype.trim = function () {
       return this.replace(/^\s*/, "").replace(/\s*$/, "");
   };
   

8. trim()

   var str="  sds "
   console.info("--"+str.trim()+"--");
   console.info(str.charAt(2));
   var str1="  aaa ff ";
   console.info("|"+str1.trim()+"|");
   String.prototype.trim=function() {
     var regular=/(^\s*)|(\s*$)/gi;
     return(this.replace(regular,""));
   var str2="Hello ";
   var str3="Word ";
   var str4=" job!";
   console.info(str2.concat(str3,str4));
   console.info(str2.substring(0,2));
   

9. trim()

   String.prototype.trim = function() {
     return this.replace(/^\s+|\s+$/g, '');
   };
   var str = "     foo      bar            j";
   console.log(str.trim().split(' '));