regex - Html5 regular expression input text -

in html5:

how validate input text , regular expression chain has @ least 1 number ?

i'm looking can write @ least have chain number written

<input type="password" name="pass" placeholder="password" pattern="[0-9]+" required> 

thanks

with javascript/jquery, e.g.

<input id="test"/>  $('#test').on('change',testme); function testme(e) {     if ( e.target.value.match(/[0-9]+/) ) {        alert('yay!');    } } 

for pattern property:

<input class="span2" type="password" name="pass" placeholder="password" pattern=".*[0-9]+.*" required>