Bug546

Synopsis

# Documentation

Test:

[code with square \ brackets]
lorem ipsum
[..]
Matches any of the enclosed characters. Ranges of characters can be specified by separating the endpoints with a '-'. '-' or ']' can be matched by including them as the first character(s) in the list. Never matches path separators: [/] matches nothing at all. Named character classes can also be matched: [:x:] within [] specifies the class named x, which matches certain predefined characters. See below for a full list.
[^..] or [!..]
Like [..], but matches any character not listed. Note that [^-x] is not the inverse of [-x], but the range [^-x].
<m-n>
Matches any integer in the range m to n, inclusive. The range may be open-ended by leaving out either number: "<->", for instance, matches any integer.
**/
Matches any number of characters, including path separators, excluding the empty string.

Supported character classes:

[:alnum:]
Equivalent to "0-9A-Za-z".
[:alpha:]
Equivalent to "A-Za-z".
[:blank:]
Equivalent to "\t ".
[:cntrl:]
Equivalent to "\0-\x1f\x7f".
[:digit:]
Equivalent to "0-9".
[:graph:]
Equivalent to "!-~".
[:lower:]
Equivalent to "a-z".
[:print:]
Equivalent to " -~".
[:punct:]
Equivalent to "!-/:-@[-{-~".
[:space:]
Equivalent to "\t-\r ".
[:upper:]
Equivalent to "A-Z".
[:xdigit:]
Equivalent to "0-9A-Fa-f"`.