Regex jquery

Question

I want to validate a texbox with min char=5, max=20, allow alphabet and numbers and only 3 special characters !@# using plain jQuery (no plugin)

function chkText() {
            $(".cssText").each(function() {
// add regex condition here in an IF statement
});
}

Gumbo · Accepted Answer · 2009-04-08 14:50:31Z

6

This should do it:

function chkText() {
    $(".cssText").each(function() {
        if (/^[A-Za-z0-9!@#]{5,20}$/.test(this.value)) {
            // valid input value
        } else {
            // invalid input value
        }
    });
}

edited Apr 8, 2009 at 14:50

answered Apr 8, 2009 at 14:42

Gumbo

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