请教一个正则表达式

我有一个字符串：sasa<app>sasa<server>sasa<client>ddsdds</client></server></app>，我想得到包在之中的字符串，也就是[app, server, client]，求教如何写正则表达式？最好是Ruby

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我有一个字符串：sasa<app>sasa<server>sasa<client>ddsdds</client></server></app>，我想得到包在之中的字符串，也就是[app, server, client]，求教如何写正则表达式？最好是Ruby

JavaScript的

<code class="lang-javascript">var string = "sasa<app>sasa<server>sasa<client>ddsdds";
string.match(/\b\w+(?=\>)/g);
</client></server></app></code>

Ruby的

<code class="lang-ruby">string = "sasa<app>sasa<server>sasa<client>ddsdds";
array = string.scan(/\b\w+(?=\>)/);
</client></server></app></code>

<code class="lang-ruby">"sasa<app>sasa<server>sasa<client>ddsdds".scan(/\]*)\>/)
</client></server></app></code>

Perl的，抛个砖头，期待更简洁的代码

<code class="lang-perl">my $st="sasa<app>sasa<server>sasa<client>ddsdds";
my @arr;
push @arr, $1 while ($st=~s/]+)>//);

print join(",", @arr);
</client></server></app></code>

$str = "sasasasasasaddsdds";
preg_match_all("//U", $str, $matches);

Perl

<code>$a = 'sasa<app>sasa<server>sasa<client>ddsdds';
@ary = $a =~ //g;
print "@ary";
</client></server></app></code>