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Loop through a string matching a regex and performing an action for each match
Create a list 
php
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[fish1,cow3,boat4] when matching "(fish):1 sausage (cow):3 tree (boat):4" with regex /\((\w+)\):(\d+)/
preg_match_all("/\((\w+)\):(\d+)/", "(fish):1 sausage (cow):3 tree (boat):4", $matches);
for ($i=0, $c=count($matches[0]); $i < $c; $i++) {
$list[] = $matches[1][$i].$matches[2][$i];
}
for ($i=0, $c=count($matches[0]); $i < $c; $i++) {
$list[] = $matches[1][$i].$matches[2][$i];
}
Submit a new solution for php
There are 21 other solutions in additional languages (clojure, cpp, csharp, erlang ...)
