Regular expressions (abbreviated regex) are terms that define a search pattern to focus on a specific part of a string for a specific purpose (e.g. to find/replace a word).

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45 views

How to handle a post before publishing?

I want to do a regex match to each post before it gets published, and if the regex fails to match, delete the post entirely, what hook should I use?
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1answer
133 views

Regex in add_rewrite_tag not accepting OR operators?

I am trying to add a custom field to the post permalinks by using a combo of add_rewrite_tag and applying a post_link filter. What I am aiming for is something like this: ...
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1answer
139 views

Processing shortcodes in groups (separated by line breaks)?

The Project I'm working on a plugin to resize and embed rows of images using shortcodes that will be converted into <img> tags. In most cases there will be multiple images per row, and the ...
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1answer
42 views

regEx wp core file

I have an issue with the way WordPress handles creating a page anchor. The page anchor button is already defined in the WordPress TinyMCE code.. and can be added using either the Ultimate Tinymce or ...
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1answer
187 views

Rewrite Rule & Regex - Extract 'cat-name' and 'page-number' from http://domain.com/custom-post-type/category/cat-name/page/page-number

I have an URL formatted so: http://domain.com/custom-post-type/category/cat-name/page/page-number I need to extract: cat-name and page-number So that in my functions.php, I can create the custom ...
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132 views

Avoid too long words in a post title, post content or comment but only if its not a url

I want to prevent users from posting things like "aaaadfgdfgsdfgdaaaadsfgsdfgaaasdfgdfaaadfgsdfgaaaaaaaajahkjhkahkkjkjhaa..." which would not only be annoying but would certainly break the content div ...
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0answers
21 views

Compare meta_query with a Regular Expression and do a less-than operation on it

I have the problem that my client is using a theme which stores options of items in a serialized way in the post_meta table. I already found out that this is not the best way to save values ...
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77 views

Regex to turn embedded images in to attachments

I've got a blog that has all images embedded in each post rather than a thumbnail linking to an attachment page which is what I'd like. I understand from this question that no plugin (like Regenerate ...
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104 views

What add_rewrite_tag()'s RegEx matches against?

I'm trying to figure out wether I can specify the position of the string to match (i.e. immediately after the domain) to reduce the chances of matching something else, but I don't even know what the ...
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0answers
164 views

Struggling with add_rewrite_rule

I've read this: Wordpress redirection to get url friendly That led me to this: 1) wp.tutsplus.com/tutorials/creative-coding/the-rewrite-api-the-basics/ 2) ...
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21 views

Regex replace on the fly

Heres the example content on all my post <img width="550" height="486" src="http://www.xyz.com/wp-content/uploads/2014/12/-550x550-550x486.jpg" /> <img width="760" height="486" ...
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Adding a hash to a url in .htaccess

I am using a js hash listener to display a modal window if the /hash matches the id of the element. /brands/type/#name-of-product Works fine. However, default WP behavior will match any ...
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27 views

Meta query with regular expression

I am using regular expression to refine the post it works fine but i want change it such that it can work with meta query instead of post title here is my code function wpse18704_posts_group( $where, ...
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0answers
46 views

.htaccess restrict subdomain by IP - Wordpress Multisite

I'd like to redirect traffic away from a subdomain install of Wordpress Multisite unless it's coming from a specific IP address/range, and without affecting the root domain traffic. Is this possible? ...
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0answers
29 views

Add custom dynamic string to permalink structure wordpress

I am adding dynamic string to permalink but the problem is all the pages which runs from page.php goes to 404 whereas the detail page of the post is working fine. Code: add_filter('post_link', ...
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0answers
56 views

Add class to all parent elements inside the_content

Is there a way to add a class to all parent elements inside the_content? My problem is I'm using this kind of css selector: .post_content>* {margin-bottom:10px;} This is to due with mostly ...
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0answers
82 views

Customizing Walker_Nav_Menu - Trunicating spaces

I've just started learning to code WP themes pretty much from scratch and I'm trying to figure out how to pass a variable thru a customized Walker_Nav_Menu but without any ascii spaces. The goal is ...