How to read line by line of a text area HTML tag

Question

I have a text area where each line contains Integer value like follows

      1234       4321      123445 

I want to check if the user has really enetered valid values and not some funny values like follows

      1234,       987l; 

For that I need to read line by line of text area and validate that. How can i read line by line of a text area using javascript?

Answer 1

Try this.

var lines = $('textarea').val().split('\n'); for(var i = 0;i < lines.length;i++){     //code here using lines[i] which will give you each line }