正则表达式最小字数

Question

What regex should I use for a minimum word count? This is for a dating website where the user has to describe himself in minimum 50 words. So can allow all punctuation characters, new lines, question marks, numbers and basically anything the user types in as long as it has over 50 words.

I have this (\\b[A-Za-z0-9 '-_]+\\b.*){50,} but it does not let you do new line characters

Thanks

Answer 1

If it's a website as you say so, you don't need regex. Though it is not tagged with javascript , I do suppose you'll find it helpful. What you can do is

var elem = document.getElementById("id of the text input element here");
if(elem.value.split(" ").length < 50) {
   alert("Minimum 50 words please!!");
}

Answer 2

要包括换行符，请使用此正则表达式：

(\b[A-Za-z0-9\s'_-]+\b){50,} 

Answer 3

@DRC your solution does not solve the problem of users entering 50 spaces

I tweaked your solution and got this working for me

function min50Words(source, arguments)
    {
        if (arguments.Value.replace(/\s+/g, ' ').split(" ").length < 50) {
            arguments.IsValid = false;
        } else {
            arguments.IsValid = true;
        }
    }

This bit

.replace(/\s+/g, ' ').split(" ").length < 50

will collapse all spaces into a single space

Thanks for all your help guys