disable-regexp-capture

disable-regexp-capture

convert group to non-capturing group (.+) -> (?:.+)

• https://npmjs.com/package/disable-regexp-capture
• https://github.com/shokai/disable-regexp-capture

Install

$ npm install disable-regexp-capture -save

Usage

import disableRegexpCapture from 'disable-regexp-capture'

const disabledPattern = disableRegexpCapture(/\[([^[\]]+)\]/)
console.log(disabledPattern)
// => /\[(?:[^[\]]+)\]/

Behavior of String.prototype.split with RegExp.

without capturing-group

'aaa [tag1] bbb [tag2] ccc'.split(/\[[^[\]]+\]/)
// => [ 'aaa ', ' bbb ', ' ccc' ]

with capturing-group

'aaa [tag1] bbb [tag2] ccc'.split(/\[([^[\]]+)\]/)
// => [ 'aaa ', 'tag1', ' bbb ', 'tag2', ' ccc' ]

'aaa [tag1] bbb [tag2] ccc'.split(/(\[[^[\]]+\])/)
// => [ 'aaa ', '[tag1]', ' bbb ', '[tag2]', ' ccc' ]

with nested capturing-group

'aaa [tag1] bbb [tag2] ccc'.split(/(\[([^[\]]+)\])/)
// => [ 'aaa ', '[tag1]', 'tag1', ' bbb ', '[tag2]', 'tag2', ' ccc' ]

non-capturing-group in capturing-group

'aaa [tag1] bbb [tag2] ccc'.split(/(\[(?:[^[\]]+)\])/)
// => [ 'aaa ', '[tag1]', ' bbb ', '[tag2]', ' ccc' ]