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Re: How to highlight the matching reqular expression strings

From: thierry . volpiatto
Subject: Re: How to highlight the matching reqular expression strings
Date: Tue, 17 Mar 2009 07:15:34 +0100
User-agent: Gnus/5.110011 (No Gnus v0.11) Emacs/23.0.91 (gnu/linux)

Anand Dhanakshirur <address@hidden> writes:

> Hi Bastien,
> Thanks,
> It worked for regexp like character).
> It highlighted the matching strings.
> But it did not work for als*bd(mutliple characters).
> It did not highlight the matching strings.
> How to do this?

May be you misunderstand the use of * here, that do not have the same
meaning that in shell like *.el.(globbing).

| `*'
|      is not a construct by itself; it is a postfix operator that means
|      to match the preceding regular expression repetitively as many
|      times as possible.  Thus, `o*' matches any number of `o's
|      (including no `o's).
|      `*' always applies to the _smallest_ possible preceding
|      expression.  Thus, `fo*' has a repeating `o', not a repeating
|      `fo'.  It matches `f', `fo', `foo', and so on.

Have a look at the elisp manual about regexps.

[eval - C-x C-e] ==> (info "(elisp)Regexp Special")

> Do
> Bastien wrote:
>> Anand Dhanakshirur <address@hidden> writes:
>>> Kindly tell me How to do regular expression seach in emacs buffer.
>>> for ex: i want to know(highlight) the all the text which are als*.
>> C-u C-s a l s *

A + Thierry Volpiatto
Location: Saint-Cyr-Sur-Mer - France

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