regex in natural language (javascript)
Posted: 15 Jul 2020, 15:03
Super Expressive is a zero-dependency JavaScript library for building regular expressions in (almost) natural language
https://github.com/francisrstokes/super-expressive
The following example recognises and captures the value of a 16-bit hexadecmal number like 0xC0D3
https://github.com/francisrstokes/super-expressive
The following example recognises and captures the value of a 16-bit hexadecmal number like 0xC0D3
Code: Select all
const SuperExpressive = require('super-expressive');
const myRegex = SuperExpressive()
.startOfInput
.optional.string('0x')
.capture
.exactly(4).anyOf
.range('A', 'F')
.range('a', 'f')
.range('0', '9')
.end()
.end()
.endOfInput
.toRegex();
// Produces the following regular expression:
/^(?:0x)?([A-Fa-f0-9]{4})$/