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-rw-r--r--doc/regexp.n12
1 files changed, 11 insertions, 1 deletions
diff --git a/doc/regexp.n b/doc/regexp.n
index 7da20eb..4bdf467 100644
--- a/doc/regexp.n
+++ b/doc/regexp.n
@@ -4,7 +4,7 @@
'\" See the file "license.terms" for information on usage and redistribution
'\" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
'\"
-'\" RCS: @(#) $Id: regexp.n,v 1.31 2008/09/23 13:22:18 dkf Exp $
+'\" RCS: @(#) $Id: regexp.n,v 1.32 2008/10/17 10:22:25 dkf Exp $
'\"
.so man.macros
.TH regexp n 8.3 Tcl "Tcl Built-In Commands"
@@ -122,12 +122,15 @@ list will be concatenated at each iteration, such that a flat list is
always returned. For each match iteration, the command will append the
overall match data, plus one element for each subexpression in the
regular expression. Examples are:
+.RS
+.PP
.CS
\fBregexp\fR -inline -- {\ew(\ew)} " inlined "
\fI\(-> in n\fR
\fBregexp\fR -all -inline -- {\ew(\ew)} " inlined "
\fI\(-> in n li i ne e\fR
.CE
+.RE
.TP 15
\fB\-start\fR \fIindex\fR
.
@@ -160,9 +163,11 @@ if \fB\-indices\fR has been specified or to an empty string otherwise.
Find the first occurrence of a word starting with \fBfoo\fR in a
string that is not actually an instance of \fBfoobar\fR, and get the
letters following it up to the end of the word into a variable:
+.PP
.CS
\fBregexp\fR {\emfoo(?!bar\eM)(\ew*)} $string \-> restOfWord
.CE
+.PP
Note that the whole matched substring has been placed in the variable
.QW \fB\->\fR ,
which is a name chosen to look nice given that we are not
@@ -170,17 +175,21 @@ actually interested in its contents.
.PP
Find the index of the word \fBbadger\fR (in any case) within a string
and store that in the variable \fBlocation\fR:
+.PP
.CS
\fBregexp\fR \-indices {(?i)\embadger\eM} $string location
.CE
+.PP
This could also be written as a \fIbasic\fR regular expression (as opposed
to using the default syntax of \fIadvanced\fR regular expressions) match by
prefixing the expression with a suitable flag:
+.PP
.CS
\fBregexp\fR \-indices {(?ib)\e<badger\e>} $string location
.CE
.PP
This counts the number of octal digits in a string:
+.PP
.CS
\fBregexp\fR \-all {[0\-7]} $string
.CE
@@ -188,6 +197,7 @@ This counts the number of octal digits in a string:
This lists all words (consisting of all sequences of non-whitespace
characters) in a string, and is useful as a more powerful version of the
\fBsplit\fR command:
+.PP
.CS
\fBregexp\fR \-all \-inline {\eS+} $string
.CE