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@ 2012-11-14T16:13:55Z

<?php

$strings = array(
  '100010' => '110',
  '010200' => '1200',  
  '01110'  => '1110',
);

foreach ($strings as $subject => $expected)
{
    $actual = preg_replace('/(?>0+)(?!$)/', '', $subject);
    printf(" %s -> %s (expected: %s)\n", $subject, $actual, $expected);
}

Output
Performance
VLD
References
Branches

preg_replace: documentation ( source)
printf: documentation ( source)

preferences:dark modelive previewkey bindings

30.02 ms | 406 KiB | 5 Q