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check RegExp ( regular expressions ) support

Package Exports

  • regexp-support

This package does not declare an exports field, so the exports above have been automatically detected and optimized by JSPM instead. If any package subpath is missing, it is recommended to post an issue to the original package (regexp-support) to support the "exports" field. If that is not possible, create a JSPM override to customize the exports field for this package.

Readme

regexp-support

check RegExp ( regular expressions ) support

install

npm install regexp-support

Api

allow u check support on other RegExp base class

hasSupportFlag(flag: string, RegExpClass?: typeof RegExp, skipPatternCheck?: boolean): boolean
testFlag(flag: string, RegExpClass?: typeof RegExp, flagsPattern?): boolean

RegExpClass can be Object with create, for some class can't create by new

export interface ICreateRegExp
{
    create(pattern: string, flag?: string, ...argv)
}

demo

import support from 'regexp-support';

console.log(support);

node.js 10

{ flags: 
   { multiline: true,
     m: true,
     global: true,
     g: true,
     ignoreCase: true,
     i: true,
     sticky: true,
     y: true,
     unicode: true,
     u: true,
     dotAll: true,
     s: true,
     freeSpacing: false,
     x: false,
     n: false },
  flagsAll: { g: true, i: true, m: true, s: true, u: true, y: true },
  pattern: 
   { namedCapturingGroups: true,
     namedCapturingGroupsUnicode: true,
     namedCapturingGroupsEmoji: false } }

node.js 9

by test on RunKit

{ flags: 
   { multiline: true,
     m: true,
     global: true,
     g: true,
     ignoreCase: true,
     i: true,
     sticky: true,
     y: true,
     unicode: true,
     u: true,
     dotAll: true,
     s: true,
     freeSpacing: false,
     x: false,
     n: false },
  flagsAll: { g: true, i: true, m: true, s: true, u: true, y: true },
  pattern: 
   { namedCapturingGroups: false,
     namedCapturingGroupsUnicode: false,
     namedCapturingGroupsEmoji: false } }

node.js 8

by test on RunKit

{ flags: 
   { multiline: true,
     m: true,
     global: true,
     g: true,
     ignoreCase: true,
     i: true,
     sticky: true,
     y: true,
     unicode: true,
     u: true,
     dotAll: true,
     s: true,
     freeSpacing: false,
     x: false,
     n: false },
  flagsAll: { g: true, i: true, m: true, s: true, u: true, y: true },
  pattern: 
   { namedCapturingGroups: false,
     namedCapturingGroupsUnicode: false,
     namedCapturingGroupsEmoji: false } }