Utilisateur:Delhovlyn/regex.js

<code lang="javascript">
function regexpReplace(regexp, replace) {
	var txtarea = document.getElementById("Fiche");
	// IE
	if (document.selection  && !is_gecko) {
		var range = document.selection.createRange();
		var theSelection = range.text;
		if (!theSelection) theSelection = txtarea.value;
		txtarea.focus();
		if (theSelection.charAt(theSelection.length - 1) == " ") { // exclude ending space char, if any
			theSelection = theSelection.substring(0, theSelection.length - 1);
			range.text = theSelection.replace(regexp, replace) + " ";
		} else {
			range.text = theSelection.replace(regexp, replace);
		}
	// Mozilla
	} else if(txtarea.selectionStart || txtarea.selectionStart == '0') {
		var replaced = false;
		var startPos = txtarea.selectionStart;
		var endPos = txtarea.selectionEnd;
		if (endPos-startPos <= 0) {
			startPos = 0;
			endPos = txtarea.value.length;
		}
		var scrollTop = txtarea.scrollTop;
		var theSelection = (txtarea.value).substring(startPos, endPos);
		var replacedSelection = theSelection.replace(regexp, replace);
 
		txtarea.value = txtarea.value.substring(0, startPos) + replacedSelection +
			txtarea.value.substring(endPos, txtarea.value.length);
		txtarea.focus();
 
		//set new selection 
		var cPos = startPos+(replacedSelection.length);
		txtarea.selectionStart = startPos;
		txtarea.selectionEnd = cPos;
		//txtarea.scrollTop = scrollTop;
	}
}
</code>