Regexper Reviews and details

Social recommendations and mentions

• Ask HN: Best Regex Resources?

  Not a direct learning resource, but a few quick tips: 1) Know what language you're targeting beforehand, if possible (e.g. Javascript regex or Perl regex or POSIX regex, etc.). There are a lot of different regex "dialects" (kinda like SQL dialects) and the operators aren't always compatible, and not every implementation supports all the features (like "negative lookaheads"). 2) Railroad diagrams can be really... - Source: Hacker News / 7 months ago

• Ask HN: How did you learn Regex?

  That's my go-to these days, but sometimes I like to see a diagram from this one: https://regexper.com I've just slowly learnt it by experimenting with it over the past few years. People have mostly mentioned matching, but I use it more for string manipulation. I'm still not as intermediate a programmer as I'd like to be, so it's great when I need to invert a design decision for example. A similar code structure in... - Source: Hacker News / 9 months ago

• 10 Lesser-Known Tools and Websites to Spice Up Your Developer Toolbox

  Regexper takes your regular expressions to the next level. It generates interactive, visually appealing diagrams that help you understand your regex patterns. With Regexper, you can see your regex patterns come to life, making complex expressions easier to grasp. - Source: dev.to / over 1 year ago

• Do you guys use Chat GPT to code? If so, what do you make?

  If it's a one-off regex to scrape some data and you verify the output, great. If it's to be used in an application and you don't understand it, that could be an issue. There's some great online tools to convert regex to railroad diagrams like https://regexper.com/ which I recommend if you don't understand some regex AI produced. Source: about 2 years ago

• I've got several good ones bookmarked.

  Not in plain English, but I find this tool useful if I have to read someone else's regex: https://regexper.com/. Source: about 2 years ago

• A GPT 3.5 powered tool for generating regex

  There are some neat tools for visualizing a regex like https://regexper.com/. - Source: Hacker News / about 2 years ago

• ChatGPT is a regex god

  Https://regexper.com/ :) The lines usually just represent the allowance of repeated patterns, either a specific number of them or infinite if it's not specified. Source: about 2 years ago

• Newbie Regex Help

  When building regexes I always use https://regexper.com/. The flow charts make regexes so much clearer for me. Source: about 2 years ago

• Writing a regex for date in Java

  Regexper makes it even more obvious: https://i.imgur.com/0NVtfjC.png. Source: about 2 years ago

• I’m enjoying learning COBOL in 2022

  Might try to take some time to reverse engineer the idea now that I'm thinking about it, because even outside of COBOL I could see a script like that coming in handy in some really weird pinch lol. I know he was my go-to for years for writing regex when I didn't want to think through its syntax until I finally cemented it in my brain and found Regexper to help visualize it, so I wouldn't be surprised he splashed... Source: over 2 years ago

• [2022 Day 5] Easy, I've got this...

  Another cool tool is https://regexper.com/ where you put in a RegEx and it gives you a railroad diagram of it! Source: over 2 years ago

• Converting a huge regex into c++ format, (car registration plates). Any tools to help with this?

  Regexpr is a tool that will take a regex and show you a "railroad diagram". Source: over 2 years ago

• for thos ho still struglin with the psets 7 and Regular Expressions

  Https://regexper.com/ When you type your re it, convert it into diagrams and make it easy to understand and when you see the diagram you will know what to change and how you improve you re. Source: almost 3 years ago

• A regular expression to check for prime numbers

  My fave regex explainer gives this, idk that it adds much? https://regexper.com/#%2F%5E1%3F%24%7C%5E%2811%2B%3F%29%5C1%2B%24%2F. - Source: Hacker News / about 3 years ago

• So what is your skill your niche skill that you thought you would never need but have ended up using all the time?

  I find https://regexper.com/ this site SO helpful for reading them. Makes it a nice picture to explain. Source: over 3 years ago

• RegExr: Learn, Build and Test Regex

  I sometimes use https://regexper.com/ to debug hard to understand regexes. - Source: Hacker News / over 3 years ago

• I know a programmer when I see one.

  Https://regexper.com/ This is a regex visualiser and since I learned about it regex is a breeze. Highly recommend. Source: over 3 years ago

• "RegExpert", can you (still) download get this anywhere?

  I know there are websites like Regexper that show you a diagram that is very useful for understanding/learning regular expressions, but that is NOT what I was looking for. Source: over 3 years ago

• Learn RegEx step by step, from zero to advanced

  I am a huge, huge fan of https://regexper.com/ - paste pretty much any regex, and it will generate a visualization of what it does. It's been invaluable even just as a sanity check, it just makes it so easy to trace the flow of what a pattern is doing. - Source: Hacker News / over 3 years ago

• What useful unknown website do you wish more people knew about?

  And if you want a visualization of the regular expression, you can try this: https://regexper.com/. Source: over 3 years ago

• [C] How can I parse JSON using C? I want to write my own solution and need guidance.

  Conveniently for you, the specification's figures look very similar to regex flow diagrams; for example, On page 3 of the ECMA-404 standard, §6 Fig.2 looks a lot like this. Source: over 3 years ago