https://github.com/adilius/regex-parser

Regular expression parser written in C++ for school project
https://github.com/adilius/regex-parser

cpp

Last synced: 11 months ago
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Regular expression parser written in C++ for school project

• Host: GitHub
• URL: https://github.com/adilius/regex-parser
• Owner: Adilius
• License: mit
• Created: 2020-03-24T12:39:49.000Z (over 6 years ago)
• Default Branch: master
• Last Pushed: 2020-05-07T23:46:51.000Z (about 6 years ago)
• Last Synced: 2025-02-28T18:25:14.704Z (over 1 year ago)
• Topics: cpp
• Language: C++
• Homepage:
• Size: 171 KB
• Stars: 2
• Watchers: 1
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

          
# Regular Expression Parser

Regular expression parser written in C++ for school project

## Grammar

```

 ::= 

	::=  concatenation> |  

 ::=   

	::=  |  |  | 

	::=	 "*"

 ::=   "{" any number "}"

	::=	  |  |  

	::=	"("  ")"

	::=	"."

	::= any non metacharacter

 ```

 

## Build

Either build by running the regex-parser.sln file containing the Visual Studio 2019 project file.

Or build it with a C++ compiler and including all the headers and main.cpp file.

## Run

Run regex-parser from terminal. 

`.\regex-parser.exe "Waterloo" input.txt`

First argument is the regex.

Second argument is the file containing the text

## Output

![output1](https://user-images.githubusercontent.com/43440295/80920120-064f4a00-8d6e-11ea-8e64-ca49e4631904.PNG)

![output2](https://user-images.githubusercontent.com/43440295/80920171-5a5a2e80-8d6e-11ea-8738-aee6b5827a95.PNG)

![output3](https://user-images.githubusercontent.com/43440295/80920296-20d5f300-8d6f-11ea-8068-083c6bf3264d.PNG)