Regex for a particular code in javascript [closed] - javascript

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i'm working on a form validation and i need a pattern for a paricular type of code.
it's like this:XXXX99999999.
this is the regex i made myself:[A-Za-z]{4}d{8}$
but it doesn't work

Try this:
[A-Z]{4}\d{8}
check it out here: http://regexr.com/3ao9d

var regex=/^[A-Za-z]{4}\d{8}$/
Test this in Developer console
var str="XXXX99999999";
str.match(regex)

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Please my regexp for special character is not responding [closed]

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I used this lines of program for password validation, unfortunately other conditions are working but aside the special character.. what did I do wrong?
my JavaScript/jQuery code

How i change text with Tampermonkey? [closed]

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https://prnt.sc/r9zh7k
I want change the 0,00 for another value, can anyone helps?
You can try something like
document.querySelector('[data-v-c35c6530]').innerHTML = "new text";
if you link the site, I can verify this will work.

The email address is badly formatted. I don't know what's wrong with this can someone help me. [closed]

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Closed 4 years ago.
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Code is not working, I dont know what was the problem
It looks like the email format is reliant on the element in the page with id = 'emailAddress'. Check that it is in the correct format.
Also, if it doesn't run, try changing the last line from:
}());
To:
})();

Regex for background image [closed]

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Closed 7 years ago.
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I've made a regular expression for getting all background image patterns:
Pattern p = Pattern.compile("background(-image)?:[\\s]?url[\\s]*\([\\s]*(?<url>[^\)]*)[\\s]*\)[\\‌​s]*");
But this will failed in this case, because of #66cc33:
background:#66CC33 url(images/bg-topbar.png)
Can anyone help me to modify my pattern?
You can use this regex, with basically doesn't care about anything but the url() content:
background(-image)?:.*?url\(\s*(?<url>.*?)\s*\)
This seems like a duplicate of this question https://stackoverflow.com/a/20857448/5856415, you should try the regex given in that answer to simply select text between the brackets.
/\((.*?)\)/)[1].replace(/('|")/g

A Mistake in my Codecademy Codebit, Not Sure What [closed]

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I do NOT have code here, as for it is going to take up too much space. It is an error in JavaScript as for it won't run anything in it, aswell as jQuery.
Click here if you wanna live...
Your problem is here I think:
.replace('function mName1()'),('?Method??-Custom?','function')
that comma needs to be a period and I'm guessing replace needs called.
.replace('function mName1()').replace('?Method??-Custom?','function')

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