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<?php function extract_unit($string, $start, $end) { $pos = stripos($string, $start); $str = substr($string, $pos); $str_two = substr($str, strlen($start)); $second_pos = stripos($str_two, $end); $str_three = substr($str_two, 0, $second_pos); $unit = trim($str_three); // remove whitespaces return $unit; } $str = "X_HD01_1"; $str = "X_HD01_1, X_HD0003_2, X_HD12/12/2016/1_01"; $str_array =explode(',',$str); foreach($str_array as $val) { $unit = extract_unit($val, '_', '_'); // Outputs: acronym echo $unit."\n"; }
Output for git.master_jit, git.master, rfc.property-hooks
HD01 HD0003 HD12/12/2016/1

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