@mkven/regexps

Shared regular expression constants for text normalization and validation.

Install

pnpm add @mkven/regexps

Usage

import { whitespace, nonDigit, leadingQuote, trailingQuote } from "@mkven/regexps";

"hello world".replaceAll(whitespace, "_"); // "hello_world"
"abc123".replaceAll(nonDigit, ""); // "123"

Constants

Text normalization

| Constant | Pattern | Flags | Description | |---|---|---|---| | whitespace | \s | gu | Any whitespace character | | spacesAndNewlines | (\s\|\n) | gu | Whitespace or newline | | whitespaceAndNbsp | (?:\s\| )+ | gu | Whitespace or HTML nbsp entity | | tabNewlineCarriageReturn | [\t\n\r] | gu | Tab, newline, carriage return | | invisibleControlChars | [\u0002\u0003\u200B\u202A\u202B] | gu | STX, ETX, zero-width space, BiDi markers |

Digit / phone patterns

| Constant | Pattern | Flags | Description | |---|---|---|---| | digits | \d | gu | Any digit | | nonDigit | \D | gu | Any non-digit | | nonPlusNonDigit | [^\d+] | gu | Any character except digit or plus | | russianPhone | ^(\+?7\|8)(\d{10})$ | u | Russian phone number capture |

Character class validation

| Constant | Pattern | Flags | Description | |---|---|---|---| | latinOnly | ^[A-Za-z]*$ | u | Only Latin letters | | latinCyrillicNumbersHyphen | ^[\dA-Za-zЁА-яё-]*$ | u | Latin, Cyrillic, digits, hyphen | | cyrillicDashQuotation | ^['\ЁА-яё-]$|u| Cyrillic, dash, quotes | |latinDashQuotation|^['A-Z`a-z-]$|u| Latin, dash, quotes | |uppercaseLatinLetters|[A-Z]|gu| Uppercase Latin letters | |latinNumbersDotUnderscoreHyphenPlus|^[\w+.-]*$|u` | Latin, digits, dot, underscore, hyphen, plus |

Boundary / edge patterns

| Constant | Pattern | Flags | Description | |---|---|---|---| | leadingOrTrailingDotHyphenPlus | ^[+.-]\|[+.-]$ | u | Leading or trailing dot/hyphen/plus | | leadingOrTrailingDash | ^-\|-$ | u | Leading or trailing dash | | leadingQuote | ^" | gu | Leading double quote | | trailingQuote | "$ | gu | Trailing double quote |

File extensions

| Constant | Pattern | Flags | Description | |---|---|---|---| | gzExtension | \.gz$ | gu | .gz file extension | | encExtension | \.enc$ | gu | .enc file extension | | gzEncExtension | \.gz\.enc$ | gu | .gz.enc file extension |