Tick off Unicode collation and the normalization from

[p5sagit/p5-mst-13.2.git] / pod / perlre.pod

diff --git a/pod/perlre.pod b/pod/perlre.pod
index 61907f8..874fed4 100644 (file)
--- a/pod/perlre.pod
+++ b/pod/perlre.pod
@@ -4,10 +4,16 @@ perlre - Perl regular expressions
 
 =head1 DESCRIPTION
 
-This page describes the syntax of regular expressions in Perl.  For a
-description of how to I<use> regular expressions in matching
-operations, plus various examples of the same, see discussions
-of C<m//>, C<s///>, C<qr//> and C<??> in L<perlop/"Regexp Quote-Like Operators">.
+This page describes the syntax of regular expressions in Perl.  
+
+if you haven't used regular expressions before, a quick-start
+introduction is available in L<perlrequick>, and a longer tutorial
+introduction is available in L<perlretut>.
+
+For reference on how regular expressions are used in matching
+operations, plus various examples of the same, see discussions of
+C<m//>, C<s///>, C<qr//> and C<??> in L<perlop/"Regexp Quote-Like
+Operators">.
 
 Matching operations can have various modifiers.  Modifiers
 that relate to the interpretation of the regular expression inside
@@ -260,7 +266,8 @@ Any control character.  Usually characters that don't produce output as
 such but instead control the terminal somehow: for example newline and
 backspace are control characters.  All characters with ord() less than
 32 are most often classified as control characters (assuming ASCII,
-the ISO Latin character sets, and Unicode).
+the ISO Latin character sets, and Unicode), as is the character with
+the ord() value of 127 (C<DEL>).
 
 =item graph
 
@@ -676,7 +683,7 @@ this yourself would be a productive exercise), but finishes in a fourth
 the time when used on a similar string with 1000000 C<a>s.  Be aware,
 however, that this pattern currently triggers a warning message under
 the C<use warnings> pragma or B<-w> switch saying it
-C<"matches the null string many times">):
+C<"matches null string many times in regex">.
 
 On simple groups, such as the pattern C<< (?> [^()]+ ) >>, a comparable
 effect may be achieved by negative look-ahead, as in C<[^()]+ (?! [^()] )>.
@@ -784,7 +791,7 @@ and the first "bar" thereafter.
   got <d is under the >
 
 Here's another example: let's say you'd like to match a number at the end
-of a string, and you also want to keep the preceding of part the match.
+of a string, and you also want to keep the preceding part of the match.
 So you write this:
 
     $_ = "I have 2 numbers: 53147";
@@ -1269,6 +1276,10 @@ from the reference content.
 
 =head1 SEE ALSO
 
+L<perlrequick>.
+
+L<perlretut>.
+
 L<perlop/"Regexp Quote-Like Operators">.
 
 L<perlop/"Gory details of parsing quoted constructs">.