Reggy

Reggy is a general-purpose regular expression generator that is exposed as a web application. Reggy assists you with the construction of regular expressions. The generator consists of three components, each for a different use case. Reggy generates regular expressions for a wide variety of programming languages and strives to generate regular expressions that are as efficient and concise as possible.

Prerequisites

• Install Node.js version 8.x
• Install Angular CLI: sudo npm install -g @angular/cli
• Install all the dependencies from the project root directory: npm install
• Install graphviz: sudo apt-get install graphviz
• Install pip: sudo apt-get install -y python3-pip
• Install python graphviz package: sudo pip3 install graphviz

Development

npm run dev: This will concurrently execute the Angular build, TypeScript compiler and Express server.

A window will automatically be opened at localhost:4200. Angular and Express files are being watched. Any change will automatically create a new bundle, restart the Express server and reload your browser.

Deploying to Heroku

The web app is deployed using Docker, thus docker ce needs to be installed on the system.

sudo apt-get install docker-ce

Testing Docker build locally

Change the working directory to the root directory of the project which contains the Dockerfile and run the following:

sudo docker build -f Dockerfile -t reggy:latest . --network=host

sudo docker run -p 49160:3000 -d reggy:latest

Deploying

Install the Heroku CLI if it is not installed and then change the working directory to the root directory of the project.

heroku login

sudo heroku container:login

sudo heroku container:push web --app reggy

heroku container:release web --app reggy