Commit c80dbd9d authored by Pietro Abate's avatar Pietro Abate

[r2007-03-17 09:14:40 by beppe] added union of regexp

Original author: beppe
Date: 2007-03-17 09:14:40+00:00
parent 843d6efd
......@@ -306,10 +306,11 @@ can be:
<li>A type or a pattern, which correspond to a single element in the
sequence (in particular, <code>[ _ ]</code> represents
sequences of length 1, <em>not</em> arbitrary sequences).</li>
<li>A juxtaposition of regular expression <code>%%R1%% %%R2%%</code>
<li>A juxtaposition of regular expressions <code>%%R1%% %%R2%%</code>
which represents concatenation.
</li>
<li>A postfix repetition operator; the greedy operators are
<li>A union of regular expressions <code>%%R1%%|%%R2%%</code>.</li>
<li>A postfix repetition operator; the greedy operators are
<code>%%R%%?</code>,
<code>%%R%%+</code>,
<code>%%R%%*</code>, and the ungreedy operators are:
......
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