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05.21.2008 at 10:11PM PDT, ID: 23423337
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9.6

How do I code this JavaScrip to except special

Asked by WDJ98338 in JavaScript

How do I code this JavaScrip to except special characters space, dash, hyphen, apostrophe and alpha?

function validateUsername(fld) {
    var error = "";
    var illegalChars = /\W/; // allow letters, numbers, and underscores
 
    if (fld.value == "") {
        fld.style.background = 'Yellow';
        error = "You didn't enter a username.\n";
    } else if ((fld.value.length < 5) || (fld.value.length > 15)) {
        fld.style.background = 'Yellow';
        error = "The username is the wrong length.\n";
    } else if (illegalChars.test(fld.value)) {
        fld.style.background = 'Yellow';
        error = "The username contains illegal characters.\n";
    } else {
        fld.style.background = 'White';
    }
    return error;
}Start Free Trial
 
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[+][-]05.22.2008 at 12:47AM PDT, ID: 21621629

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About this solution

Zone: JavaScript
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Solution Provided By: sundaramkumar
Participating Experts: 1
Solution Grade: A
 
 
 
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20080716-EE-VQP-32 / EE_QW_2_20070628