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Added thread unsafety warning. Added optional retain arg to split.

This commit is contained in:
Guido van Rossum 1996-06-26 19:24:22 +00:00
parent 7c2fdda0b3
commit 6076ea51e2
2 changed files with 12 additions and 2 deletions
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7
Doc/lib/libregsub.tex
View File

@ -4,6 +4,8 @@
This module defines a number of functions useful for working with
regular expressions (see built-in module \code{regex}).
Warning: these functions are not thread-safe.
\renewcommand{\indexsubitem}{(in module regsub)}
\begin{funcdesc}{sub}{pat\, repl\, str}
Replace the first occurrence of pattern \var{pat} in string
@ -21,10 +23,13 @@ when not adjacent to a previous match, so e.g.
\code{gsub('', '-', 'abc')} returns \code{'-a-b-c-'}.
\end{funcdesc}
\begin{funcdesc}{split}{str\, pat}
\begin{funcdesc}{split}{str\, pat\optional{\, retain}}
Split the string \var{str} in fields separated by delimiters matching
the pattern \var{pat}, and return a list containing the fields. Only
non-empty matches for the pattern are considered, so e.g.
\code{split('a:b', ':*')} returns \code{['a', 'b']} and
\code{split('abc', '')} returns \code{['abc']}.
If the optional \var{retain} argument is true, the separators are also
inserted in the list, so e.g. \code{split('a:::b', ':*', 1)} returns
\code{['a', ':::', 'b']}.
\end{funcdesc}

7
Doc/libregsub.tex
View File

@ -4,6 +4,8 @@
This module defines a number of functions useful for working with
regular expressions (see built-in module \code{regex}).
Warning: these functions are not thread-safe.
\renewcommand{\indexsubitem}{(in module regsub)}
\begin{funcdesc}{sub}{pat\, repl\, str}
Replace the first occurrence of pattern \var{pat} in string
@ -21,10 +23,13 @@ when not adjacent to a previous match, so e.g.
\code{gsub('', '-', 'abc')} returns \code{'-a-b-c-'}.
\end{funcdesc}
\begin{funcdesc}{split}{str\, pat}
\begin{funcdesc}{split}{str\, pat\optional{\, retain}}
Split the string \var{str} in fields separated by delimiters matching
the pattern \var{pat}, and return a list containing the fields. Only
non-empty matches for the pattern are considered, so e.g.
\code{split('a:b', ':*')} returns \code{['a', 'b']} and
\code{split('abc', '')} returns \code{['abc']}.
If the optional \var{retain} argument is true, the separators are also
inserted in the list, so e.g. \code{split('a:::b', ':*', 1)} returns
\code{['a', ':::', 'b']}.
\end{funcdesc}