Character Packages

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

Easy way to split a string on a given character unless it's quoted or escaped.

POSIX character classes for creating regular expressions.

Strip the final newline character from a string/buffer

Character encoding detector

Detect the dominant newline character of a string

Get the visual width of the widest line in a string - the number of columns required to display it

Strip the final newline character from a string or Uint8Array

Parse HTML character references

Trim a consecutively repeated substring: foo--bar---baz → foo-bar-baz

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

Check if a character is alphabetical

Check if a character is decimal

Check if a character is alphanumerical

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

Check if a character is hexadecimal

Map of named character references

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

Check if a character is a whitespace character

Check if a character is a word character