I would like to check how many words in a string
eg.
asdsd sdsds sdds
3 words
The problem is , if there is more than one space between two substring , the result is not correct
here is my program
function trim(s) {
return s.replace(/^\s*|\s*$/g,"")
}
var str = trim(x[0].value);
var parts = str .split(" ");
alert (parts.length);
How to fix the problem? thanks for help
You could just use match with word boundaries:
var words = str.match(/\b\w+\b/g);
var parts = str .split(" ");
parts = parts.filter(function(elem, pos, self) {
return elem !== "";
});
Please try this. Make sure you are using latest browser to use this code.
function countWords(){
s = document.getElementById("inputString").value;
s = s.replace(/(^\s*)|(\s*$)/gi,"");
s = s.replace(/[ ]{2,}/gi," ");
s = s.replace(/\n /,"\n");
document.getElementById("wordcount").value = s.split(' ').length;
}
It's easy to find out by using split method, but you need to sort out if there are any special characters. If you don't have an special characters in your string, then last line is enough to work.
s = document.getElementById("inputString").value;
s = s.replace(/(^\s*)|(\s*$)/gi,"");
s = s.replace(/[ ]{2,}/gi," ");
s = s.replace(/\n /,"\n");
document.getElementById("wordcount").value = s.split(' ').length;
try:
function trim(s) {
return s.replace(/^\s*|\s*$/g,"")
}
var regex = /\s+/gi;
var value = "this ss ";
var wordCount = value.trim().replace(regex, ' ').split(' ').length;
console.log( wordCount );
An even shorter pattern, try something like this:
(\S+)
and the number of matches return by regex engine would be your desired result.
