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<?php $dannie = "Длина: 100 м Длина 100 метров Длина 100м"; if (preg_match_all('~Длина:\s*\K\d+(?:[.,]\d+)?~u', $dannie, $matches)) { echo implode(', ', $matches[0]); }
Output for git.master, git.master_jit, rfc.property-hooks
100

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