Generates regular expression according to passed parameters.
npm install gen-regexStep 1
Import package in your node js project
const regex = require('gen-regex');Step 2
After import, use the created instance throughout your project by passing the parameters for which you have to create the regex pattern
const pattern = regex('mail');or
const pattern = regex('pan');You can find the parameters to use in function in below table.
| Parameter | Usage | Output |
|---|---|---|
| regex('mail') | ^[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+.[a-zA-Z]{2,10}$ | |
| pan | regex('pan') | ^[a-zA-Z]{5}[0-9]{4}[a-zA-Z]{1}$ |
| aadhar | regex('aadhar') | ^[2-9]{1}[0-9]{3}[0-9]{4}[0-9]{4}$ |
| gst | regex('gst') | ^[0-9]{2}[A-Z]{5}[0-9]{4}[A-Z]{1}[1-9A-Z]{1}Z[0-9A-Z]{1}$ |
Currently, We focussed on these 4 primary patterns which are widely use in India. And we are working on improving this module.