regexp-util


utilities for generating regular expression

Changelog

Install

``sh
npm install regexp-util
`

Usage

`ts
import { charset } from 'regexp-util'

const regex = util
.charset(['a', 'g']) // a ~ g
.subtract(['c', 'e'])
.toRegExp()

const aResult = 'a'.test(regex) //=> true
const dResult = 'd'.test(regex) //=> false
`

API

$3

`ts
declare abstract class Base {
isEmpty(): boolean
toString(flags?: string): string
toRegExp(flags?: string): RegExp
}
`

$3

`ts
declare type CharsetInput =
| Charset
| string // char
| number // codepoint
| [string, string] // char: start to end (inclusive)
| [number, number] // codepoint: start to end (inclusive)

declare function charset(...inputs: CharsetInput[]): Charset

declare class Charset extends Base {
constructor(...inputs: CharsetInput[])
union(...inputs: CharsetInput[]): Charset
subtract(...inputs: CharsetInput[]): Charset
intersect(...inputs: CharsetInput[]): Charset
}
`

Development

`sh


lint

pnpm run lint

build

pnpm run build

test

pnpm run test
``

License

MIT © Ika