Once again, I don't know if a function or method has been already created for this. Anyway, this count the number of words in a string. It's pretty simple.

function countWords(wordStr){
var wordsStr = wordStr.toString();
if(wordsStr.match(/^\s+$/)){
var wordCount = 0;
return wordCount;
}
var wordCount = 1;
wordsStr = wordsStr.replace(/^\s+/,'');
wordsStr = wordsStr.replace(/\s+$/,'');
while(wordsStr.match(/(\s+)/)){
wordCount++;
wordsStr = wordsStr.replace(RegExp.$1,'');
}
return wordCount;
}

For example this should alert the number 5:

<script type="text/javascript">
<!--
function countWords(wordStr){
var wordsStr = wordStr.toString();
if(wordsStr.match(/^\s+$/)){
var wordCount = 0;
return wordCount;
}
var wordCount = 1;
wordsStr = wordsStr.replace(/^\s+/,'');
wordsStr = wordsStr.replace(/\s+$/,'');
while(wordsStr.match(/(\s+)/)){
wordCount++;
wordsStr = wordsStr.replace(RegExp.$1,'');
}
return wordCount;
}
alert(countWords("Joe is nice and cool"));
//-->
</script>


Last Edit: Feb 24, 2007 13:14:05 GMT by Moose