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Diffstat (limited to 'runtime/doc/pattern.txt')
| -rw-r--r-- | runtime/doc/pattern.txt | 21 |
1 files changed, 11 insertions, 10 deletions
diff --git a/runtime/doc/pattern.txt b/runtime/doc/pattern.txt index 406068982e..3c7a20dd49 100644 --- a/runtime/doc/pattern.txt +++ b/runtime/doc/pattern.txt @@ -351,8 +351,8 @@ For starters, read chapter 27 of the user manual |usr_27.txt|. */atom* 5. An atom can be one of a long list of items. Many atoms match one character in the text. It is often an ordinary character or a character class. - Braces can be used to make a pattern into an atom. The "\z(\)" construct - is only for syntax highlighting. + Parentheses can be used to make a pattern into an atom. The "\z(\)" + construct is only for syntax highlighting. atom ::= ordinary-atom |/ordinary-atom| or \( pattern \) |/\(| @@ -666,7 +666,7 @@ overview. Note that using "\&" works the same as using "\@=": "foo\&.." is the same as "\(foo\)\@=..". But using "\&" is easier, you don't need the - braces. + parentheses. */\@!* @@ -1058,8 +1058,8 @@ x A single character, with no special meaning, matches itself [] (with 'nomagic': \[]) */[]* */\[]* */\_[]* */collection* \_[] - A collection. This is a sequence of characters enclosed in brackets. - It matches any single character in the collection. + A collection. This is a sequence of characters enclosed in square + brackets. It matches any single character in the collection. Example matches ~ [xyz] any 'x', 'y' or 'z' [a-zA-Z]$ any alphabetic character at the end of a line @@ -1118,11 +1118,12 @@ x A single character, with no special meaning, matches itself *[:ident:]* [:ident:] identifier character (same as "\i") *[:keyword:]* [:keyword:] keyword character (same as "\k") *[:fname:]* [:fname:] file name character (same as "\f") - The brackets in character class expressions are additional to the - brackets delimiting a collection. For example, the following is a - plausible pattern for a Unix filename: "[-./[:alnum:]_~]\+" That is, - a list of at least one character, each of which is either '-', '.', - '/', alphabetic, numeric, '_' or '~'. + The square brackets in character class expressions are additional to + the square brackets delimiting a collection. For example, the + following is a plausible pattern for a UNIX filename: + "[-./[:alnum:]_~]\+". That is, a list of at least one character, + each of which is either '-', '.', '/', alphabetic, numeric, '_' or + '~'. These items only work for 8-bit characters, except [:lower:] and [:upper:] also work for multibyte characters when using the new regexp engine. See |two-engines|. In the future these items may |