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updated for version 7.4.241

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Problem:    The string returned by submatch() does not distinguish between a
            NL from a line break and a NL that stands for a NUL character.
Solution:   Add a second argument to return a list. (ZyX)
This commit is contained in:
Bram Moolenaar
2014-04-02 19:00:58 +02:00
parent fe5aab63fe
commit 41571769c9
9 changed files with 128 additions and 6 deletions
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16
runtime/doc/eval.txt
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@@ -1990,7 +1990,8 @@ strridx( {haystack}, {needle} [, {start}])
Number last index of {needle} in {haystack}
strtrans( {expr}) String translate string to make it printable
strwidth( {expr}) Number display cell length of the String {expr}
submatch( {nr}) String specific match in ":s" or substitute()
submatch( {nr}[, {list}]) String or List
specific match in ":s" or substitute()
substitute( {expr}, {pat}, {sub}, {flags})
String all {pat} in {expr} replaced with {sub}
synID( {lnum}, {col}, {trans}) Number syntax ID at {lnum} and {col}
@@ -5797,12 +5798,23 @@ strwidth({expr}) *strwidth()*
Ambiguous, this function's return value depends on 'ambiwidth'.
Also see |strlen()|, |strdisplaywidth()| and |strchars()|.
submatch({nr}) *submatch()*
submatch({nr}[, {list}]) *submatch()*
Only for an expression in a |:substitute| command or
substitute() function.
Returns the {nr}'th submatch of the matched text. When {nr}
is 0 the whole matched text is returned.
Note that a NL in the string can stand for a line break of a
multi-line match or a NUL character in the text.
Also see |sub-replace-expression|.
If {list} is present and non-zero then submatch() returns
a list of strings, similar to |getline()| with two arguments.
NL characters in the text represent NUL characters in the
text.
Only returns more than one item for |:substitute|, inside
|substitute()| this list will always contain one or zero
items, since there are no real line breaks.
Example: >
:s/\d\+/\=submatch(0) + 1/
< This finds the first number in the line and adds one to it.