# How to highlight number phone in topic **URL:** \ **Category:** Support\ **Created:** [2017年六月21日 09:49 UTC](https://meta.discourse.org/t/how-to-highlight-number-phone-in-topic/64864 "2017-06-21T09:49:42Z")\ **Posts on this page:** 12\ **Page:** 1
**Author:** ![thaidb](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/thaidb/32/68488_2.png) [@thaidb](https://meta.discourse.org/u/thaidb)\ **Post date:** [2017年六月21日 09:49 UTC](https://meta.discourse.org/t/how-to-highlight-number-phone-in-topic/64864/1 "2017-06-21T09:49:42Z")
Hello, I wanna highlight number phone in topic ![](https://global.discourse-cdn.com/meta/original/3X/1/e/1efe64b09a61fd42afe7e7747d20fe9099a12306.png) Now, what i add to here? in library [We're not a CDN - highlight.js](https://highlightjs.org/static/demo/) i dont see numberphone number i wanna Result ![](https://global.discourse-cdn.com/meta/original/3X/3/f/3f3b2d999686ac5bcfe5432e2e87bda47e379fa2.png) The second question, i wanna when user touch in it (call number) will auto open phone call in android or ios, how can do? ![](https://global.discourse-cdn.com/meta/original/3X/b/f/bff1c98a982053ce54f5fdd1820af0617e48dff6.png) ---
**Author:** ![codinghorror](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/codinghorror/32/110067_2.png) [@codinghorror](https://meta.discourse.org/u/codinghorror)\ **Post date:** [2017年六月21日 09:51 UTC](https://meta.discourse.org/t/how-to-highlight-number-phone-in-topic/64864/2 "2017-06-21T09:51:24Z")
I think you have to whitelist the `tel:` URI in the site settings [https://www.ietf.org/rfc/rfc3966.txt](https://www.ietf.org/rfc/rfc3966.txt) `For having RFCs read aloud, call 1-555-IETF-RFC` ---
**Author:** ![thaidb](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/thaidb/32/68488_2.png) [@thaidb](https://meta.discourse.org/u/thaidb)\ **Post date:** [2017年六月21日 10:01 UTC](https://meta.discourse.org/t/how-to-highlight-number-phone-in-topic/64864/3 "2017-06-21T10:01:28Z")
> [@codinghorror](#): > > whitelist Don’t have tel @codinghorror on select ![](https://global.discourse-cdn.com/meta/original/3X/9/4/947762866eb813652ae461c56a690e58a1bd9eb5.png) ---
**Author:** ![dax](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/dax/32/244677_2.png) [@dax](https://meta.discourse.org/u/dax)\ **Post date:** [2017年六月21日 10:05 UTC](https://meta.discourse.org/t/how-to-highlight-number-phone-in-topic/64864/4 "2017-06-21T10:05:51Z")
I think the site setting you are searching for is `allowed href schemes` ---
**Author:** ![codinghorror](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/codinghorror/32/110067_2.png) [@codinghorror](https://meta.discourse.org/u/codinghorror)\ **Post date:** [2017年六月21日 10:13 UTC](https://meta.discourse.org/t/how-to-highlight-number-phone-in-topic/64864/5 "2017-06-21T10:13:41Z")
You are looking in the wrong place, at the wrong setting. Those are programming languages. A telephone number is not a programming language. ---
**Author:** ![thaidb](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/thaidb/32/68488_2.png) [@thaidb](https://meta.discourse.org/u/thaidb)\ **Post date:** [2018年九月15日 00:03 UTC](https://meta.discourse.org/t/how-to-highlight-number-phone-in-topic/64864/6 "2018-09-15T00:03:40Z")
> [@dax](#): > > allowed href schemes Other way? Who can help me? Or can build a plugin for me? ---
**Author:** ![riking](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/riking/32/170938_2.png) [@riking](https://meta.discourse.org/u/riking)\ **Post date:** [2018年九月16日 18:03 UTC](https://meta.discourse.org/t/how-to-highlight-number-phone-in-topic/64864/7 "2018-09-16T18:03:43Z")
Search in the settings for `allowed href schemes` and add `tel` to the list. ---
**Author:** ![thaidb](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/thaidb/32/68488_2.png) [@thaidb](https://meta.discourse.org/u/thaidb)\ **Post date:** [2018年九月17日 02:15 UTC](https://meta.discourse.org/t/how-to-highlight-number-phone-in-topic/64864/8 "2018-09-17T02:15:28Z")
Only Highlight not effect when i insert code: `0938620880` ![image](https://global.discourse-cdn.com/meta/original/3X/e/1/e1eab647e9254269ae966099a53c58611913f26f.png) ---
**Author:** ![Mittineague](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/mittineague/32/114259_2.png) [@Mittineague](https://meta.discourse.org/u/Mittineague)\ **Post date:** [2018年九月17日 04:23 UTC](https://meta.discourse.org/t/how-to-highlight-number-phone-in-topic/64864/9 "2018-09-17T04:23:38Z")
What is the CSS are you using that targets links having href attribute values that begin with “tel”? ---
**Author:** ![thaidb](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/thaidb/32/68488_2.png) [@thaidb](https://meta.discourse.org/u/thaidb)\ **Post date:** [2018年九月17日 04:35 UTC](https://meta.discourse.org/t/how-to-highlight-number-phone-in-topic/64864/10 "2018-09-17T04:35:13Z")
I don’t know, How do i know that? Thank! ---
**Author:** ![Mittineague](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/mittineague/32/114259_2.png) [@Mittineague](https://meta.discourse.org/u/Mittineague)\ **Post date:** [2018年九月20日 22:13 UTC](https://meta.discourse.org/t/how-to-highlight-number-phone-in-topic/64864/11 "2018-09-20T22:13:58Z")
Sorry for the delay. Did you make any progress on this? > **[Attribute selectors - CSS | MDN](https://developer.mozilla.org/en-US/docs/Web/CSS/Reference/Selectors/Attribute_selectors)** > > The CSS attribute selector matches elements based on the element having a given attribute explicitly set, with options for defining an attribute value or substring value match. For example, if you wanted _all_ “tel” links to be styled, the selector could be like ```plaintext a[href^="tel"] { /* styles go here */ } ``` \* read the documentation to understand the what does what. ---
**Author:** ![riking](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/riking/32/170938_2.png) [@riking](https://meta.discourse.org/u/riking)\ **Post date:** [2018年九月25日 01:04 UTC](https://meta.discourse.org/t/how-to-highlight-number-phone-in-topic/64864/12 "2018-09-25T01:04:58Z")
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