Elixre

Reference

• . non-newline char
• ^ start of line
• $ end of line
• \b word boundary
• \b word boundary
• \A start of subject
• \z end of subject
• \d decimal digit
• \D non-decimal digit
• \s whitespace
• \S non-whitespace
• \w word character
• \W non-word character
• (a|z) a or z
• [az] a or z
• [^az] not a or z
• [a-z] a through z
• (foo) capture foo
• a? 0 or 1 a
• a* 0 or more a
• a+ 1 or more a
• a{3} 3 of a
• a{3,} 3 or more a
• a{3,5} 3 through 5 a

Modifiers

• u unicode
• i case insensitive
• s dot matches newline
• m multiline
• x whitespace ignored
• f start on first line
• r inverts greediness

For more information see the Elixir Regex documentation and the Erlang re documentation.