How to insert space every 4 characters for IBAN registering?

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I'm really new in JavaScript and I would like to add to my input text, space insertion for IBAN account registering.

<input type="text" name="iban" onkeyup="if(this.value.length > 34){this.value=this.value.substr(0, 34);}" />

The existing answers are relatively long, and they look like over-kill. Plus they don't work completely (for instance, one issue is that you can't edit previous characters).

For those interested, according to Wikipedia:

Permitted IBAN characters are the digits 0 to 9 and the 26 upper-case Latin alphabetic characters A to Z.

Here is a relatively short version that is similar to the existing answers:

document.getElementById('iban').addEventListener('input', function (e) {
  e.target.value = e.target.value.replace(/[^\dA-Z]/g, '').replace(/(.{4})/g, '$1 ').trim();
});
<label for="iban">iban</label>
<input id="iban" type="text" name="iban" />

How to create string with multiple spaces in JavaScript, How do you put a space between characters and every digit in Excel? Permitted IBAN characters are the digits 0 to 9 and the 26 upper-case Latin alphabetic characters A to Z. Here is a relatively short version that is similar to the existing answers:


is uppercase/lowercase option in the drop-down list, and finally click the OK button. In the Add Text dialog box, press the space bar once into the Text box, and select the Specify option under the Position, then type the positions that you want to insert the space, see screenshot: 4. And then click Ok or Apply button, you will get the result that the spaces have been inserted after every four characters as you need. Tips: The


You have to capture each group of 4 digits and then put a space between each group.

  $('input').blur(function () {
  //Replace each group 4 digits  with a group plus a space
        var reformat = this.value.replace(/(\d{4})/g, function(match){
        return match + " ";
        });
        this.value = reformat;
    })

And this one updates the element while typing

 //Keys pressed 0 times
var downed = 0; 
$('#test').keydown(function (g) {
    if(g.code.match("^Digit")){
        downed++;
      console.log(g)
    }

    if(downed == 1){
        var reformat = this.value.replace(/(\d{4}\s*)/g, function(match){
            //Strip spaces
            if(match.match(/\s/)){return match;}
            return match + " ";
    });
    console.log(reformat);
    this.value = reformat; 
    //Start recount
        downed = 0;
    }
});
Check out the fiddle

to your text, you can use the   character entity. You can use the <pre> tag with innerHTML. The HTML <pre> element represents preformatted text which is to be presented exactly as written in the HTML file. The text is typically rendered using a non-proportional ("monospace") font. Re: Need to add space after every 4th Character you could generate for the 1st line..then use autofill to complete it..perhaps if u could send me some of your spreadsheet and i can take a look.. Register To Reply


for thousands on angular 4 in a pipe integer = integer.replace(/[^\dA-Z]/g, '').replace(/(.{3})/g, '$1.').trim();

// add spaces after every 4 digits (make sure there's no trailing whitespace) somestring.replace(/(\d{4})/g, '$1 ').replace(/(^\s+|\s+$)/,''). Press space to add a normal space. To add a regular space, click where you want to add the space and press the spacebar. Normally, HTML will only display one space between words, no matter how many times you press the space bar.


I'm really new in JavaScript and I would like to add to my input text, space insertion for IBAN account registering. 1. Custom Number Format in Excel to display numbers with spaces. 2. Convert numbers to text with the TEXT Function and Custom Number Format.


In order to put non-bank PSPs on equal footing with banks, three issues in the latter case typically by adding blank spaces between every four characters. 13616-2 defines roles and responsibilities of the registration authority – the SWIFT. IBAN number correct but name has extra space between two letters [closed] Ask Question. Asked 2 years, 9 months ago. Active 2 years, 9 months ago. Viewed 1k times. 1. Closed. This question needs details or clarity. It is not currently accepting answers.


extension String { var customFormatted: String { let count = characters.count There is one small bug in your code, a two-character string is formatted with an The condition whether to insert the separator at an offset is quite complex and it is case 03: // No separators for strings up to length 3. return str case 4: // "abcd"​  this is very easy way to insert any special character before or after of any existing data in Excel. For this solution we can use kutools . most easier and totally free. you can Marge many field


Hi, I'm trying to find out how I can add space to user input after 4 characters. This is for a credit card field. I have been trying regex but when I Add white spaces at start and end of the string in python – center () function in python. Add space between every letter of the string in python. Add Spaces in python at the start of the string: ## Add the space at Start of the string in Python. string2="Test String leading space to be added" string_length=len(string2)+10 # will be adding 10