Question

i want to highlight all digits in string, i try to cover matched digits with tag but cann’t! Here is my code

regexp = /[1-9]/g;
//$("#task").val() it's my input
title = $("#task").val().replace(regexp,'<span class="int">$1</span>');

$1 – i found in google some samples, where $1 must be first matched value, but it’s dosn’t work!

Answer 1

var regexp = /(\d+)/g; // use \d to match all digits, + to capture one or more
var title = 'testing 123'.replace(regexp,'<span class="int">$1</span>');

Result: testing <span class="int">123</span>