The left hand side of the tr is not a regular expression. Just include a real space in the character list.
$ perl -E '
> @data = (
> q{Hello, world!},
> q{te-st%$/*.},
> q{All_of_this_is_OK.},
> q{!@#$%^&*()12345},
> );
> say for map { tr{A-Za-z0-9_. -}{}cd; $_ } @data;'
Hello world
te-st.
All_of_this_is_OK.
12345
$
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Posts may use any of the Perl Monks Approved HTML tags. Currently these include the following:
<code> <a> <b> <big>
<blockquote> <br /> <dd>
<dl> <dt> <em> <font>
<h1> <h2> <h3> <h4>
<h5> <h6> <hr /> <i>
<li> <nbsp> <ol> <p>
<small> <strike> <strong>
<sub> <sup> <table>
<td> <th> <tr> <tt>
<u> <ul>
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Snippets of code should be wrapped in
<code> tags not
<pre> tags. In fact, <pre>
tags should generally be avoided. If they must
be used, extreme care should be
taken to ensure that their contents do not
have long lines (<70 chars), in order to prevent
horizontal scrolling (and possible janitor
intervention).
-
Want more info? How to link
or How to display code and escape characters
are good places to start.
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