5 ms·

Debuggex: Visually Debug Regex via NFA/DFA Construction

54 points by dedalus 10y ago

corysama 10y ago
This has been a great help to me lately. If the devs are reading this: Thanks!
eric_h 10y ago
This looks extremely useful, thanks for sharing.
deleted 10y ago
[deleted]
shahbazac 10y ago
This app is awesome, as are a couple of other regex apps. I noticed that they offer commercial licenses as well. Would the people behind this site be willing to share any paid subscription numbers? Not necessarily raw figures, even free vs paid proportions will be interesting. I'm intensely curious about paid memberships for web apps such as these. On one hand, they are absolutely awesome. On the other hand, I'm too much of a programmer to see how this generates revenue. I have an app which also serves as a tool for a small niche (much smaller than debuggex). A bunch of people use my tool daily but I've always assumed that if I created a 'premium' version, I won't make more than $5-$10 :)
- myfonj 10y ago
  Have you seen authors [0] tangentially related blog-post about initial funding campaign from 2013? [0] https://news.ycombinator.com/user?id=tsergiu https://news.ycombinator.com/user?id=tsergiu [1] https://www.debuggex.com/blog/2013/how-my-crowdfunding-turned-into-singlefunding/ https://www.debuggex.com/blog/2013/how-my-crowdfunding-turne...
  - shahbazac 10y ago
    Thanks, those posts are interesting.
skmurphy 10y ago
Is this still operational? Site copyright and most recent blog post both say 2013.
specialist 10y ago
When I fix Regex related bugs, I use the permalinks for Debuggex generated graphs for comments, documentation, JIRA tickets, etc. Very useful.
- voltagex_ 10y ago
  What language are you fixing the bugs in? It's unfortunate that C# Regex is unique enough that this won't quite work for me.
  - specialist 10y ago
    I'm primarily a Java dev. It's very frustrating that Java doesn't support PCRE syntax, as a first-class language thing. I hate escaping quotes within strings and so forth.
pain 10y ago
Very good name bug. Regex is very debuggex.
voltagex_ 10y ago
"Python Engine free while in beta PCRE Engine free while in beta" It's $5 a month for a "basic" account, which is about $80 AUD a year. I guess I just don't earn enough to be able to afford $5 * month * number of SaaS services I could use.
- jgalt212 10y ago
  I guess devs don't make as much as the media would have you believe. If you like a service, $5 is a trivial cost to bear.
  - voltagex_ 10y ago
    Of course, but what if there are 10 such services?
SeriousM 10y ago
It's not the same, but it creates also nice graphs to understand the regex better https://regexper.com/#%5BhH%5Delle%20world https://regexper.com/#%5BhH%5Delle%20world
seanp2k2 10y ago
I like https://regex101.com https://regex101.com because of the way it colors things. The maps seem like they'd get too complex to be super useful on more complex patterns, but I'll give this a shot too next time I need it. I also have an Jupyter notebook that I often use for testing Python regex and match groups.

54 points by dedalus 10y ago

corysama 10y ago

This has been a great help to me lately. If the devs are reading this: Thanks!

eric_h 10y ago

This looks extremely useful, thanks for sharing.

deleted 10y ago

[deleted]

shahbazac 10y ago

This app is awesome, as are a couple of other regex apps. I noticed that they offer commercial licenses as well. Would the people behind this site be willing to share any paid subscription numbers? Not necessarily raw figures, even free vs paid proportions will be interesting. I'm intensely curious about paid memberships for web apps such as these. On one hand, they are absolutely awesome. On the other hand, I'm too much of a programmer to see how this generates revenue. I have an app which also serves as a tool for a small niche (much smaller than debuggex). A bunch of people use my tool daily but I've always assumed that if I created a 'premium' version, I won't make more than $5-$10 :)

myfonj 10y ago
Have you seen authors [0] tangentially related blog-post about initial funding campaign from 2013? [0] https://news.ycombinator.com/user?id=tsergiu https://news.ycombinator.com/user?id=tsergiu [1] https://www.debuggex.com/blog/2013/how-my-crowdfunding-turned-into-singlefunding/ https://www.debuggex.com/blog/2013/how-my-crowdfunding-turne...
- shahbazac 10y ago
  Thanks, those posts are interesting.

skmurphy 10y ago

Is this still operational? Site copyright and most recent blog post both say 2013.

specialist 10y ago

When I fix Regex related bugs, I use the permalinks for Debuggex generated graphs for comments, documentation, JIRA tickets, etc. Very useful.

voltagex_ 10y ago
What language are you fixing the bugs in? It's unfortunate that C# Regex is unique enough that this won't quite work for me.
- specialist 10y ago
  I'm primarily a Java dev. It's very frustrating that Java doesn't support PCRE syntax, as a first-class language thing. I hate escaping quotes within strings and so forth.

pain 10y ago

Very good name bug. Regex is very debuggex.

voltagex_ 10y ago

"Python Engine free while in beta PCRE Engine free while in beta" It's $5 a month for a "basic" account, which is about $80 AUD a year. I guess I just don't earn enough to be able to afford $5 * month * number of SaaS services I could use.

jgalt212 10y ago
I guess devs don't make as much as the media would have you believe. If you like a service, $5 is a trivial cost to bear.
- voltagex_ 10y ago
  Of course, but what if there are 10 such services?

SeriousM 10y ago

It's not the same, but it creates also nice graphs to understand the regex better https://regexper.com/#%5BhH%5Delle%20world https://regexper.com/#%5BhH%5Delle%20world

seanp2k2 10y ago

I like https://regex101.com https://regex101.com because of the way it colors things. The maps seem like they'd get too complex to be super useful on more complex patterns, but I'll give this a shot too next time I need it. I also have an Jupyter notebook that I often use for testing Python regex and match groups.