Map of invalid numeric character references to their replacements, according to HTML

Decode named character references

micromark utility to decode numeric character references

A Tool to decode numeric character reference(NCR)

ASCII character reference

The first HTML5 compliant HTML decoder based on <a href="https://html.spec.whatwg.org/multipage/syntax.html#tokenizing-character-references">HTML5 specification</a> and can decode the full named character reference list based on this <a href="https://html

List of legacy HTML named character references that don’t need a trailing semicolon

Map of named character references

Map of named character references from HTML 4

micromark utility to handle character codes

micromark utility to classify whether a character is whitespace or punctuation

POSIX character classes for creating regular expressions.

Get the line and column number of a specific character in a string

A regex to match any full character, considering weird character ranges.

Check if a character is a word character

Check if a character is a whitespace character

textlint rule check unnessary control character in the document.

Detect the dominant newline character of a string

Check if a character is hexadecimal

Check if the character represented by a given Unicode code point is fullwidth