Package Health Score

62 / 100

security
No known security issues
popularity
Small
maintenance
Sustainable
community
Limited

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Security

No known security issues

All security vulnerabilities belong to production dependencies of direct and indirect packages.

Security and license risk for significant versions

Version				Vulnerabilities	License Risk
1.0.58	\|	09/2024		0 C 0 H 0 M 0 L	0 H 0 M 0 L
1.0.46	\|	02/2022	Popular	0 C 0 H 0 M 0 L	0 H 0 M 0 L

License

ISC

Security Policy

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Popularity

Small

Weekly Downloads (2,850)

GitHub Stars: 8
Forks: 0
Contributors: 20

Direct Usage Popularity

The npm package regexp-support receives a total of 2,850 downloads a week. As such, we scored regexp-support popularity level to be Small.

Based on project statistics from the GitHub repository for the npm package regexp-support, we found that it has been starred 8 times.

Downloads are calculated as moving averages for a period of the last 12 months, excluding weekends and known missing data points.

Community

Limited

Readme.md: Yes
Contributing.md: No
Code of Conduct: No
Contributors: 20
Funding: No

With more than 10 contributors for the regexp-support repository, this is possibly a sign for a growing and inviting community.

We found a way for you to contribute to the project! Looks like regexp-support is missing a Code of Conduct.

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Maintenance

Sustainable

Commit Frequency

Open Issues: 0
Open PR: 0
Last Release: 4 months ago
Last Commit: 4 months ago

Further analysis of the maintenance status of regexp-support based on released npm versions cadence, the repository activity, and other data points determined that its maintenance is Sustainable.

We found that regexp-support demonstrates a positive version release cadence with at least one new version released in the past 12 months.

In the past month we didn't find any pull request activity or change in issues status has been detected for the GitHub repository.

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Package

Node.js Compatibility: not defined

Age: 7 years
Dependencies: 2 Direct
Versions: 42
Install Size: 489 kB
Dist-tags: 1
# of Files: 73
Maintainers: 1
TS Typings: No

regexp-support has more than a single and default latest tag published for the npm package. This means, there may be other tags available for this package, such as next to indicate future releases, or stable to indicate stable releases.

Readme

regexp-support

check RegExp ( regular expressions ) support

install

npm install regexp-support

version test log

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);

todo

need more test on unicode set unicode.ts , unicode-script.ts

desc

lookAheadPositive, lookAheadNegative

aa(?=bb)
aa(?!bb)

lookBehindPositive

(?<=\$)foo

const RE_DOLLAR_PREFIX = /(?&lt;=\$)foo/g;
'$foo %foo foo'.replace(RE_DOLLAR_PREFIX, 'bar'); // =&gt; '$bar %foo foo'

lookBehindNegative

`(? '$foo %bar bar'


### node.js 10

```ts
{ nativeFlags: 'gimsuy',
  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,
     namedCapturingGroupsBackreference: true,
     namedCapturingGroupsDuplicate: false,
     lookAheadPositive: true,
     lookAheadNegative: true,
     lookBehindPositive: true,
     lookBehindNegative: true,
     dotUnicodeEmoji: true,
     classSub: false },
  prototype: 
   { source: true,
     flags: true,
     lastIndex: true,
     dotAll: true,
     global: true,
     ignoreCase: true,
     multiline: true,
     sticky: true,
     unicode: true },
  static: 
   { '$1': true,
     '$2': true,
     '$3': true,
     '$4': true,
     '$5': true,
     '$6': true,
     '$7': true,
     '$8': true,
     '$9': true,
     input: true,
     '$_': true,
     lastMatch: true,
     '$&amp;': true,
     lastParen: true,
     '$+': true,
     leftContext: true,
     '$`': true,
     rightContext: true,
     '$\'': true,
     '$10': false,
     '$100': false },
  symbol: 
   { species: false,
     match: true,
     replace: true,
     search: true,
     split: true },
  objectStringTag: '[object RegExp]',
  unicodeSet: 
   { unicode: true,
     script: true,
     blocks: false,
     unicodeTest: 
      { C: true,
        Other: true,
        Cc: true,
        Control: true,
        Cs: true,
        Surrogate: true,
        L: true,
        Letter: true,
        LC: true,
        Cased_Letter: true,
        Ll: true,
        Lowercase_Letter: true,
        Lo: true,
        Other_Letter: true,
        Lu: true,
        Uppercase_Letter: true,
        M: true,
        Mark: true,
        Me: true,
        Enclosing_Mark: true,
        Mn: true,
        Nonspacing_Mark: true,
        N: true,
        Number: true,
        Nd: true,
        Decimal_Number: true,
        Nl: true,
        Letter_Number: true,
        No: true,
        Other_Number: true,
        P: true,
        Punctuation: true,
        Pc: true,
        Connector_Punctuation: true,
        Pd: true,
        Dash_Punctuation: true,
        Pe: true,
        Close_Punctuation: true,
        Pf: true,
        Final_Punctuation: true,
        Pi: true,
        Initial_Punctuation: true,
        Po: true,
        Other_Punctuation: true,
        Ps: true,
        Open_Punctuation: true,
        S: true,
        Symbol: true,
        Sc: true,
        Currency_Symbol: true,
        Sk: true,
        Modifier_Symbol: true,
        Sm: true,
        Math_Symbol: true,
        So: true,
        Other_Symbol: true,
        Z: true,
        Separator: true,
        Zl: true,
        Line_Separator: true,
        Zp: true,
        Paragraph_Separator: true,
        Zs: true,
        Space_Separator: true,
        ASCII: true,
        Alphabetic: true,
        Any: true,
        White_Space: true,
        Alpha: true,
        Emoji: true,
        Emoji_Component: true,
        Emoji_Modifier: true,
        Emoji_Presentation: true,
        Ideographic: true,
        Ideo: true,
        Lower: true,
        Quotation_Mark: true,
        QMark: true,
        Unified_Ideograph: true,
        Upper: true,
        Combining_Mark: true,
        punct: true,
        Digit: false,
        Alnum: false,
        Punct: false,
        Graph: false,
        Blank: false,
        Cntrl: false,
        XDigit: false,
        Space: false,
        Decimal_Digit_Number: false },
     scriptTest: 
      { Arabic: true,
        Bengali: true,
        Common: true,
        Coptic: true,
        Cyrillic: true,
        Ethiopic: true,
        Georgian: true,
        Greek: true,
        Han: true,
        Hangul: true,
        Hiragana: true,
        Katakana: true,
        Latin: true,
        Tamil: true,
        Tibetan: true,
        Arab: true,
        Beng: true,
        Copt: true,
        Cyrl: true,
        Ethi: true,
        Geor: true,
        Grek: true,
        Hani: true,
        Hira: true,
        Kana: true,
        Latn: true,
        Taml: true,
        Tibt: true },
     blocksTest: { InBasic_Latin: 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 } }

link

regexp-support dependencies

sort-object-keys2 tslib

regexp-support development dependencies

globby randexp xregexp

FAQs

What is regexp-support?

check RegExp ( regular expressions ) support. Visit Snyk Advisor to see a full health score report for regexp-support, including popularity, security, maintenance & community analysis.

Is regexp-support popular?

The npm package regexp-support receives a total of 2,850 weekly downloads. As such, regexp-support popularity was classified as small. Visit the popularity section on Snyk Advisor to see the full health analysis.

Is regexp-support well maintained?

We found indications that regexp-support maintenance is sustainable demonstrating some project activity. We saw a total of 20 open source contributors collaborating on the project. See the full package health analysis to learn more about the package maintenance status.

Is regexp-support safe to use?

The npm package regexp-support was scanned for known vulnerabilities and missing license, and no issues were found. Thus the package was deemed as safe to use. See the full health analysis review.

Last updated on 17 December-2024, at 15:40 (UTC).

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