Regex Library

Table of Contents

• Installation
• List of Regex
• Contributing
• License

Installation

bun i -D @archoleat/reglib

List of Regex

This library provides a collection of useful regular expressions for various use cases. Below is a list of the exported regex patterns along with their explanations:

• ATTRIBUTE_REGEX

  • Pattern: \[[^\]]+\].
  • Description: Matches an attribute in square brackets.
  • Example: Matches [attr], [data-test], but not [attr or attr].

• CLASS_REGEX

  • Pattern: \.[a-z0-9_-]+.
  • Description: Matches a CSS class name starting with a dot (.).
  • Example: Matches .class, .my-class, .class_name, but not class or .class!.

• BLOCK_REGEX

  • Pattern: [a-z][a-z0-9]*(-[a-z0-9]+)*.
  • Description: Matches a BEM block name.
  • Example: Matches block, my-block, block-name, but not Block or block!.

• ELEMENT_REGEX

  • Pattern: (__[a-z0-9]+(-[a-z0-9]+)*).
  • Description: Matches a BEM element name.
  • Example: Matches __element, __my-element, but not element or __element!.

• MODIFIER_REGEX

  • Pattern: (--[a-z0-9]+(-[a-z0-9]+)*).
  • Description: Matches a BEM modifier name.
  • Example: Matches --modifier, --my-modifier, but not modifier or --modifier!.

• SIBLING_REGEX

  • Pattern: (?:[^ ,{}]+\s*)?\+\s*[^ ,{}]+.
  • Description: Matches a sibling selector in CSS.
  • Example: Matches + p, div + p, .class + .another-class, but not div > p.

• CHILD_REGEX

  • Pattern: (?:[^ ,{}]+\s*)?>\s*[^ ,{}]+.
  • Description: Matches a child selector in CSS.
  • Example: Matches > p, div > p, .class > .another-class, but not div + p.

• ATTRIBUTE_SIBLING_REGEX

  • Pattern: \[[^\]]+\]\s*\+\s*[^ ,{}]+.
  • Description: Matches an attribute selector followed by a sibling selector.
  • Example: Matches [attr] + div, [data-test] + .class.

• ATTRIBUTE_CHILD_REGEX

  • Pattern: \[[^\]]+\]\s*>\s*[^ ,{}]+.
  • Description: Matches an attribute selector followed by a child selector.
  • Example: Matches [attr] > div, [data-test] > .class.

• CLASS_SIBLING_REGEX

  • Pattern: \.[a-z0-9_-]+\s*\+\s*[^ ,{}]+.
  • Description: Matches a class selector followed by a sibling selector.
  • Example: Matches .class + div, .my-class + .another-class.

• CLASS_CHILD_REGEX

  • Pattern: \.[a-z0-9_-]+\s*>\s*[^ ,{}]+.
  • Description: Matches a class selector followed by a child selector.
  • Example: Matches .class > div, .my-class > .another-class.

• NESTED_ATTRIBUTE_SIBLING_REGEX

  • Pattern: &\[[^\]]+\]\s*\+\s*[^ ,{}]+.

  • Description: Matches a nested attribute selector followed by a sibling selector.

  • Example: Matches &[attr] + div, &[data-test] + .class.

• NESTED_ATTRIBUTE_CHILD_REGEX

  • Pattern: &\[[^\]]+\]\s*>\s*[^ ,{}]+.

  • Description: Matches a nested attribute selector followed by a child selector.

  • Example: Matches &[attr] > div, &[data-test] > .class.

• NESTED_CLASS_SIBLING_REGEX

  • Pattern: &\.[a-z0-9_-]+\s*\+\s*[^ ,{}]+.
  • Description: Matches a nested class selector followed by a sibling selector.
  • Example: Matches &.class + div, &.my-class + .another-class.

• NESTED_CLASS_CHILD_REGEX

  • Pattern: &\.[a-z0-9_-]+\s*>\s*[^ ,{}]+.
  • Description: Matches a nested class selector followed by a child selector.
  • Example: Matches &.class > div, &.my-class > .another-class.

• NESTED_ATTRIBUTE_REGEX

  • Pattern: &\[[^\]]+\].
  • Description: Matches a nested attribute selector.
  • Example: Matches &[attr], &[data-test].

• NESTED_CLASS_REGEX

  • Pattern: &\.[a-z0-9_-]+.
  • Description: Matches a nested class selector.
  • Example: Matches &.class, &.my-class.

• FONT_FILE_NAME_REGEX

  • Pattern: A complex regex for matching font file names.

  • Description: Matches font file names based on family, weight, italic, variable, and extension.

  • Example: Matches Roboto-Bold.woff2, OpenSans-Italic-Variable.ttf.

    More info validate-font-file-name

Contributing

Please read CONTRIBUTING to start contributing.

License

This project is licensed under the MIT license.