Creating a formatted string using a specific pattern

Question

Creating a formatted string using a specific pattern

My displayFormat pattern is "$###,###,###;-$###,###,###;#" (although it can vary) and I am looking to reformat the value in an AspxTextbox by removing commas on the 'GotFocus' and 'LostFocus' events. This can be achieved by calling the following JavaScript function:

function TextBoxFormat(ctrl, e, displayFormat, charactersToRemove) {
var value = ctrl.GetValue();
var i;

if (value != null && charactersToRemove != null) {
    for (i = 0; i < charactersToRemove.length; i++)
        value = value.replace(charactersToRemove[i], '');

    ctrl.SetValue(ASPxFormatter.Format('{0:' + displayFormat + '}', 
         parseInt(value)));
}

I attempted to use ASPxFormatter, but it is an internal class not intended for user projects. Additionally, using

String.Format('{0:' + displayFormat + '}', parseInt(value)));

did not work as expected. It threw an exception because String.format does not accept this specific format of pattern. Could you please suggest a method to reformat my string to any desired pattern, rather than being restricted to the one I originally described? Your assistance would be greatly appreciated....

javascript asp.net visual-studio-2008 dom-events visual-studio-2005

Answer 1

Answer №1

Have you seen the MaskedEdit feature in the ajax control toolkit? It appears to be exactly what you are looking for. If you prefer not to utilize the ready-made controls, you can access the javascript source code through one of the available download packages.

Answer 2

Have you seen the MaskedEdit feature in the ajax control toolkit? It appears to be exactly what you are looking for. If you prefer not to utilize the ready-made controls, you can access the javascript source code through one of the available download packages.

Answer 3

Answer №2

Check out the following code snippet...

String.customFormat = function() {
  var str = arguments[0];
  for (var x = 0; x < arguments.length - 1; x++) {       
    var regex = new RegExp("\\{" + x + "\\}", "gm");             
    str = str.replace(regex, arguments[x + 1]);
  }

  return str;
}

Answer 4

Check out the following code snippet...

String.customFormat = function() {
  var str = arguments[0];
  for (var x = 0; x < arguments.length - 1; x++) {       
    var regex = new RegExp("\\{" + x + "\\}", "gm");             
    str = str.replace(regex, arguments[x + 1]);
  }

  return str;
}

Creating a formatted string using a specific pattern

Answer №1

Answer №2

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