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<?php $string = '[vc_row][vc_column][/vc_column][/vc_row][vc_row][vc_column width="1/2"][vc_column_text css=".vc_custom_1576642149231{margin-bottom: 0px !important;}"]This is the string I want to fetch[/vc_column_text][/vc_column][/vc_row]'; preg_match_all("~\[vc_column_text[^][]*\]\s*(.+?)\[/vc_column_text]~", $string, $matches); print_r($matches[1]);

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