spaces in regex

[ayushchd]

How can i disallow spaces from being entered into an input box? The following doesnt work..

if (eregi('^[ ]', $pswd)){
$notice = "<div id='failure'> Please check your password.</div>";
}

[phazei]

"/\s+/"

[ayushchd]

doesnt work

[justgowithit]

Yup, it does....

if (preg_match("/^\s+/", ' ')) {
echo 'Space Here';
} else {
echo 'No Space';
}

[d40sithui]

yea i tried this too. works like a champ.