need help in javascript function for regex

Question

3.00/5 (2 votes)

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hi ,

i need a help in following query.

must contains characters
must contains one digit from 0-9
must contains one special symbols in the list "@#$%"
length at least 6 characters and maximum of 20

I want regex vadlidator for above conditions.

I am trying below javascript but it didnt work for me

XML

<script language="javascript" type="text/javascript">
    function validate() {



           re= /^([a-zA-Z+]+[0-9+]+[&@!#+]+)$/ ;
        if (!re.test(document.getElementById("txtNewPassword").value)) {
            alert("Your new password does not comply with the password policy" + '\n' + "" + '\n' +  "-must contain at least 6 characters" + '\n' + "-must contain at least one number (0-9)" + '\n' + "-must contain at least one character" + '\n' + "-must contain at least one special character (@#$%)");
                       document.getElementById("txtNewPassword").focus();
            return false;
        }


        else {
            return true;
        }
    }
</script>

Above function is working fine on IE 8 but not on IE7 and IE6

Posted 5-Nov-13 23:55pm

Pro86

Updated 6-Nov-13 1:14am

v2

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Comments

bbirajdar 6-Nov-13 6:17am

And how will your validation code work if the user disables javascript in the browser ?

Dhaval Patel 6-Nov-13 6:26am

Is there any sequence of alphabets, digits and symbols in password text? Or they can appear in any sequence?

Pro86 6-Nov-13 6:29am

they can appear in any sequence

Pro86 6-Nov-13 6:54am

above function is running but only on IE 8

4 solutions

Solution 1

May be you can look here for getting the right Regular Expressions as this article explains clearly the way to use Regular Expressions Pattern for specific names.

http://www.mkyong.com/regular-expressions/10-java-regular-expression-examples-you-should-know/[^]

Posted 6-Nov-13 0:13am

Thomas ktg

Solution 2

see this link you get some idea
http://stackoverflow.com/questions/12090077/javascript-regular-expression-password-validation-having-special-characters[^]

Posted 6-Nov-13 1:35am

vangapally Naveen Kumar

Solution 4

hi,

follow this link. You will have your answer.

http://jsfiddle.net/evCN6/1/

Thanks.

Posted 6-Nov-13 2:10am

Dhaval Patel

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Pro86 · Accepted Answer · 2013-11-06T02:08:00

Below is my new working javascript function

XML

<script type = "text/javascript">

    function validate() {
        x = document.getElementById("txtNewPassword").value;
        if ((/[a-z]/g.test(x)) && (/[0-9]/g.test(x)) && (/[@#$%]/g.test(x)) && (x.length >= 6) && (x.length <= 20)) {
                        return true;
        }
        else {
                        return false;

        }
    }

</script>

below URL help me

http://www.codingforums.com/showthread.php?t=179504[^]