JavaScript notifications for mobile devices

As the owner of this website, I want to display an important message to anyone accessing it from a mobile device.

Unfortunately, the code I tried to use is not functioning correctly:

<script language="JavaScript/text">
window.mobilecheck = function() {
  //var check = false;
  (function(a){if(/(android|bb\d+|meego).+mobile|avantgo|bada\/|blackberry|blazer|compal|elaine|fennec|hiptop|iemobile|ip(hone|od)|iris|kindle|lge |maemo|midp|mmp|mobile.+firefox|netfront|opera m(ob|in)i|palm( os)?|phone|p(ixi|re)\/|plucker|pocket|psp|series(4|6)0|symbian|treo|up\.(browser|link)|vodafone|wap|windows ce|xda|xiino/i.test(a)||/1207|...
You are not allow to view this page in your mobile device please kindly login with your computer and use your web browser or download our App.");
}

</script>
javascriptregex

Answer №1

This solution should be effective now 

/(android|bb\d+|meego).+mobile|avantgo|bada\/|blackberry|blazer|compal|elaine|fennec|hiptop|iemobile|ip(hone|od)|iris|kindle|lge |maemo|midp|mmp|mobile.+firefox|netfront|opera m(ob|in)i|palm( os)?|phone|p(ixi|re)\/|plucker|pocket|psp|series(4|6)0|symbian|treo|up\.(browser|link)|vodafone|wap|windows ce|xda|xiino\/i.test(a)|\/1207|6310|6590|3gso|4thp|50[1-6]i|770s|802s|a wa|abac|ac(er|oo|s\-)|ai(ko|rn)|al(av|ca|co)|amoi|an(ex|ny|yw)|aptu|ar(ch|go)|as(te|us)|attw|au(di|\-m|r |s )|avan|be(ck|ll|nq)|bi(lb|rd)|bl(ac|az)|br(e|v)w|bumb|bw\-(n|u)|c55\/|capi|ccwa|cdm\-...

Your regex had 3 identified errors:

  1. You had two unescaped slashes (/) which can cause issues as they are used as delimiters.

Unescaped delimiter

The first instance is: xiino/i.test(a)

The second one is: /1207

  1. Between those two instances, there was a double pipe (|) that could distort the pattern.

Alternator at this position effectively truncates the entire pattern, rendering any other tokens beyond this point useless

xiino/i.test(a)||/1207

To identify these errors, you can use tools like https://regex101.com/#javascript. It allows easy testing of PHP and Javascript regexes with error feedback on the left side.

Here is an image to guide you: https://i.sstatic.net/zLHYP.jpg

Best of luck correcting your regex, and if this information proved helpful, please consider liking this response.

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