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Slug regex

ServeMuxbut it only supports basic prefix matching. And then of course there are lots of third-party router libraries. My goal here is to route the same 11 URLs with eight different approaches. Here are the methods and URLs:. The :slug is a URL-friendly widget identifier like foo-barand the :id is a positive integer like I wrote some table-driven tests to ensure that all the routers do the right thing. You can use the following links to skip down to a particular technique. First, the five custom techniques:.

Arguably this is bad URL design anyway, but a lot of real-world web apps do it, so I think this is quite limiting. Most of the approaches loop or switch through a list of routes in contrast to fancy trie-lookup structures.

Here are the routes and the Serve routing function:. Path parameters are handled by adding the matches slice to the request context, so the handlers can pick them up from there. An alternative to passing the fields using context is to make each route. HandleFunc closure that closes over the fields parameter. The Serve function would then instantiate and call the closure as follows:. I slightly prefer the context approach, as it keeps the handler signatures simple http.

HandlerFunc s, and also avoids a nested function for each handler definition. Full regex table code on GitHub.

Different approaches to HTTP routing in Go

The second approach still uses regexes, but with a simple imperative switch statement and a match helper to go through the matches. The advantage of this approach is that you can call other functions or test other things in each case.Regex Tester and generator.

slug regex

Please input test string. Test regex Generate code. Replace with:. Common Regular Expressions. Share on:. Beautifier And Minifier tools. CSS Minifier Make it minified, compressed by removing newlines, white spaces, comments and indentation.

slug regex

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Javascript Tester Test your Javascript code. XML Validator Validate your xml code and beautify. XPath tester XPath tester online. Regex Tester and generator Test Regular expression and generate code. CSS Preprocessors. Stylus Compiler Generates beautified css styles from Stylus. Other Utilities.Searches subject for a match to the regular expression given in pattern. If matches is provided, then it is filled with the results of search.

Note that this changes the value of matches into an array where every element is an array consisting of the matched string at offset 0 and its string offset into subject at offset 1. If this flag is passed, unmatched subpatterns are reported as NULL ; otherwise they are reported as an empty string. Normally, the search starts from the beginning of the subject string.

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The optional parameter offset can be used to specify the alternate place from which to start the search in bytes. Please read the section on Booleans for more information. Version Description 7.

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Example 1 Find the string of text "php". Example 2 Find the word "web". Example 3 Getting the domain name out of a URL. Example 4 Using named subpattern. Use strpos instead as it will be faster. Edit Report a Bug.

slug regex

Parameters pattern The pattern to search for, as a string. Changelog Version Description 7. Sometimes its useful to negate a string. There is a solution, but it is not very well known. This is the simple piece of code on how a negation of a string is done:? You put the negative look ahead in front of the dot because you want the regex engine to first check if there is an occurrence of the string you are negating. Only if it is not there, you want to match an arbitrary character.

Hope this helps some ppl. I just learned about named groups from a Python friend today and was curious if PHP supported them, guess what -- it does!!! This sample regexp may be useful if you are working with DB field types. After the breaking change in 7.

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Segmentation Fault! If you are looking for a work-around, the following code-snippet is what I found helpful. There does not seem to be any mention of the PHP version of switches that can be used with regular expressions. I am hoping this will save someone from the 4 hours of torture that I endured, trying to workout this issue.

UTF-8 support would be nice. Here is a function that decreases the numbers inside a string useful to convert DOM object into simplexml object e. When trying to check a file path that could be windows or unix it took me quite a few tries to get the escape characters right. The Unix directory separator must be escaped once and the windows directory separator must be escaped twice.What is a slug and why do so many CMS use them? How can they be useful when creating Jamstack sites using a headless CMS?

We explore everything you ever wanted to know about the post slug. The use of a "slug" pattern in content management systems CMS has been common for some time. Many of us may generally grasp what one is given the ubiquity of its usage in everything from Wordpress to Drupal to Jekyll. But, if you're like me, you may never have really thought about why they exist. In this post, we'll take a closer look at what the slug in a CMS is and why it exists. Furthermore, in my experience, slugs are often a common point of failure, in particular in Jamstack sites, because they can be prone to simple typos or other mistakes that can cause site builds to break.

So we'll also explore managing slugs in popular headless CMS and using them in Jamstack sites. You may have been using slug fields in your content for ages but never really given much thought to what they are or why they exist. So let's take a quick look at that. This has the problem of being not indicative of what the page actually contains and not being human readable. It is also considered detrimental to your page SEO as the URL also gives the search engine no indication what the page contains.

The slug helps resolve this problem by allowing a human readable and frequently user generated identifier for a piece of content. The term appears to have originated in Wordpress, having been adopted from the print publishing industry. Where a permalink represented the full URL that accessed a particular piece of content, including the domain, the path and the identifier i. Slugs are human readable, but, since they are intended for the URL, they should not contain any special characters or spaces.

This wiki has a more in depth look at both the term and its usage. Pretty much every static site generator defaults to using the filename as the default slug. Most of them also offer some additional configuration for how the default slug is determined, thereby overriding the filename-based slug. For example, let's imagine a page on mysite. However, the front matter has defined slug: what-is-a-slug.

Here are a few examples for some of the popular static site generator options and how they handle slugs and permalinks. In Netlify CMS there is, unfortunately, no configurable slug type for content models.Sapper is in early development, and some things may change before we hit version 1. This document is a work-in-progress.

If you get stuck, reach out for help in the Discord chatroom. See the migration guides for help upgrading from older versions. Sapper is a framework for building extremely high-performance web apps. You're looking at one right now! There are two basic concepts:. Building an app with all the modern best practices — code-splitting, offline support, server-rendered views with client-side hydration — is fiendishly complicated.

Sapper does all the boring stuff for you so that you can get on with the creative part. You don't need to know Svelte to understand the rest of this guide, but it will help. In short, it's a UI framework that compiles your components to highly optimized vanilla JavaScript.

Read the introductory blog post and the tutorial to learn more.

What the Heck are Content Slugs and How Do I Use Them?

In war, the soldiers who build bridges, repair roads, clear minefields and conduct demolitions — all under combat conditions — are known as sappers. For web developers, the stakes are generally lower than for combat engineers. But we face our own hostile environment: underpowered devices, poor network connections, and the complexity inherent in front-end engineering. Sapper, which is short for S velte app mak eris your courageous and dutiful ally.

There are a few notable differences, however:. The easiest way to start building a Sapper app is to clone the sapper-template repo with degit :. This will scaffold a new project in the my-app directory, install its dependencies, and start a server on localhost Try editing the files to get a feel for how everything works — you may not need to bother reading the rest of this guide!

Sapper supports TypeScript. If you are using the template with Rollup as described in "Getting started" you can convert your project to TypeScript simply by running:. This section is a reference for the curious. We recommend you play around with the project template first, and come back here when you've got a feel for how things fit together.

If you take a look inside the sapper-template repo, you'll see some files that Sapper expects to find:. You'll notice a few extra files and a cypress directory which relates to testing — we don't need to worry about those right now.By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service.

Stack Overflow for Teams is a private, secure spot for you and your coworkers to find and share information. I'm having trouble creating a Regex to match URL slugs basically, alphanumeric "words" separated by single dashes. Learn more. Regex to match a slug? Ask Question.

Asked 7 years ago.

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Active 4 years, 2 months ago. Viewed 17k times. Rohit Jain k 41 41 gold badges silver badges bronze badges. What programming language? Active Oldest Votes. Then it will match a hyphen, then a sequence of alphanumeric characters, 0 or more times.

21 of 26 - Unique Slugs for Live Pages - Hiit Startup - Django Tutorial

Rohit Jain Rohit Jain k 41 41 gold badges silver badges bronze badges. This works almost as I want. Can you tweak it in order to match a single word too? I forgot to mention that single words are considered valid slugs too. Great, thank you very much.

I'll accept this as soon as I can. Why not a capture group? Secondly, The group is repeated, so with a repeated capturing group, only the last repetition would captured. Sign up or log in Sign up using Google. Sign up using Facebook. Sign up using Email and Password. Post as a guest Name.

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Thank you for this.

What the Heck are Content Slugs and How Do I Use Them?

Thank you so much for this little snippet, does a lot of work and saved a lot of time doing it by myself. Thanks once again. Simple and sweet. Sweet, simple, needs no libraries or licenses.

Awesome, but accent removal I think it's a must, I've made one, with a one-liner accent removal, that's not using some predefined chars. And the and word doesn't add value at all which is why most back-end systems also remove other pronouns and prepositions from it. Thanks mathewbyrne! And if it's useful to someone, the code I like the grouping of philippeoz.

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Here is my function:. Nice everyone! Continue with wearecharette version, added a separator option if you want to use different slug separators. Also, I think the first. The last one mentioned by jdcookie is very cool! Thank you :. We use optional third-party analytics cookies to understand how you use GitHub. Learn more. You can always update your selection by clicking Cookie Preferences at the bottom of the page.

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