About replace() code, how can i replace secondary "a" string?

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kName = "cglsamaz";
cName = kName.replace("a","e");
document.getElementById("anythingx").innerHTML = cName;

this codes result : cglsemaz what i want : cglsamez

I'm assuming you want a bit of a generic solution not just last a literally, otherwise a Regex pattern could do it.

For that can use a combination of lastIndexOf and substring:

var kName = "cglsamaz";
var valueToReplace = 'a';
var newValue = 'e';
var replaceIndex = kName.lastIndexOf(valueToReplace);

var cName = 
    kName.substring(0, replaceIndex) +
    newValue +
    kName.substring(replaceIndex + valueToReplace.length);

document.getElementById("anythingx").innerHTML = cName;
<div id="anythingx"></div>

About replace() code, how can i replace secondary “a” string?, cName = kName.replace("a","e"); document.getElementById("anythingx").​innerHTML = cName;. this codes result : cglsemaz what i want :  In principle if service profile associated with a blade has dual fabric connectivity, and multipathing for Ethernet and FC is working properly, you could just remove and replace a IOM. However, and I'm paranoid here, I would do it in a service window, or at least off hours.

Here is a generalized solution that uses a function as the second parameter to the .replace(...) method:

    function replacerMaker(rplc, inst) {

      // This is to keep track of the numbered instance found    
      var idx = 0;

      // this returns a function which will replace the numbered instance of
      // the search string with the replacement string
      return function(match, offset, string) {
      	if (++idx === inst) {
        	return rplc;
        }
        return match;
      }
    }
    
    // A slightly longer name to test instances 3, 4, etc.
    var kName = "cglsamazabkdsakuodakdif";

    var cName = kName.replace(/a/g, replacerMaker("e", 2));
    document.getElementById("anythingx").innerHTML = "Second Instance: " + cName;
    
    cName = kName.replace(/a/g, replacerMaker("e", 4));
    document.getElementById("anythingx").innerHTML += "<br />" + "Fourth Instance: " + cName;
<div id="anythingx"></div>

Culicipedia: Species-group, genus-group and family-group names in , New replacement names are proposed here for the following three junior secondary homonyms (of presumed valid taxa) that do not qualify for retention of​  To find the next occurrence, you can click the Find Next button in the Find dialog box again or, if you close this dialog box, press F3. If you have a number of occurrences throughout the macro that require the same type of updating, you can use the Replace feature to both find and replace them in the macro code.

There is a smart alternative to my previous answer:

kName = "cglsamaz";
cName = kName.replace("a","*TEMP*");
cName = cName.replace("a","e");
cName = cName.replace("*TEMP*","a");
document.getElementById("anythingx").innerHTML = cName;

Replaces first occurrence with a temporary value, allowing to replace the second occurrence (now it is the first) as needed and then restores the original value to the temporary one! Can be simplified in a single string.

(I created a new answer because it is a totally different approach)

The Code of Federal Regulations of the United States of America, (i) "Replacement or restoration" of school facilities means the reconstruction of or other special education to children of elementary or secondary school age)  Visual Studio Code v 1.2.1. Problem. I can search occurrences in all files by Ctrl + Shift + F. However, I can't find a way to search and replace occurrences in all files. Is this a missing(or hidden) feature in Visual Studio Code.

You can reverse it and then replace the a with and e and then reverse it again.

kName = "cglsamaz";
kName = kName.split("").reverse().join("")
cName = kName.replace("a","e");
cName  = cName.split("").reverse().join("")

However this seems quite long winded for a simple change Hope that helps

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An Introduction to Secondary Data Analysis with IBM SPSS Statistics, text which now appears, and we get another dialog box which asks us for values as a single agree category, and we could give this the numerical code 1. Select it and change the Mode selection to Replace, and then copy to the row of the  P0410 Secondary air injection system Before you replace the air pump , what mostly cause a P0410 us the secondary air injection check valves , what happens in a majority of cases with P0410 is the one way valves plugs up (rust) this stop the airflow and sets a P0410,

Find and replace text, and multi-caret selection, You can find and replace text in the Visual Studio editor by using Find and If you're renaming code symbols such as variables and methods, it's better to refactor Ctrl+Alt + double-click, Add a secondary word selection. I bought a 2005 Trailblazer LS and have been slowly performing maintenance and small repairs. I am attempting to remedy a code p0410. I look under the hood and notice the hose is disconnected. So, I reconnected and ran - sure enough the code reappears. I can hear the pump running so I disconnect

Electrical World, Extracts from an Operating Code therefore very little to be gained by relay Replace the caustic when necesne caustic when neces - the secondary coil is  It is common for the secondary air pump hold down grommets to fail and cause a rattle. In this video I show you how to replace the grommets or replace the se

Perpetual Trouble Shooter's Manual, Resistor (9 were removed and the wires connected to the ends of these parts were connected The connection between the bottom (S. W.) primary and secondary of the Corrections in Replacement Parts List 10-1- - - 0-1-35 ro .015 ms. (3) 42-1 107 42-1152 MODEL 640 (Code 121) MODEL 643 Replace Resistor (5). Type Code) must indicate the third digit of the Type of Bill being sent. The third digit of the Type of Bill is the frequency and can indicate if the bill is an adjustment, a replacement, or a voided claim: “7” – Replacement (replacement of prior claim) 2. In the 2300 Loop, the REF02 segment (Original Reference Number [ICN/DCN]) must

Comments
  • @zerkms He doesn't want to replace all occurences; only the second. This isn't a duplicate.
  • @Gendarme my apologies, I type quicker than read :-(
  • Yes, Gendarme is right. I just want to change second "a".
  • There is this duplicate question, but it doesn't really have a satisfactory answer.
  • This seems somewhat complex for such a simple task as this. Is it not "better" to simply convert to a char array, manipulate, and then back to string if there are no simpler solutions?
  • Very likely, you are correct, @Gendarme. It was a nice excuse to explore the .replace([RegEx], [function]) syntax.
  • I'm sorry. I just realized that this isn't Java. I have too many tabs open and I confused the two.
  • In this case the last 'a' happens to be the same as the second 'a', but the question asks for the second specifically.
  • I have just edited my answer. This is the simplest, or at least the most compact, solution I can think of due to the lack of Positive LookBehind support in JavaScript RegExp.