출처 :&nbsp;<a href="https://sir.kr/pg_lecture/716" target="_blank" class="tx-link">https://sir.kr/pg_lecture/716</a>출처2 :&nbsp;<a href="http://www.gethifi.com/tools/regex" target="_blank" class="tx-link">http://www.gethifi.com/tools/regex</a> $sStr = '(1(2(3)(4(5)4)2)1)';$i = 0;while (preg_match("/$[^()]*$/", $sStr, $aMatches)) {&nbsp; &nbsp; $aRe[$i] = $aMatches[0];&nbsp; &nbsp; $sStr = str_replace($aMatches[0], '^!__R_'.$i.'__!^', $sStr);&nbsp; &nbsp; ++$i;}&nbsp;var_dump($aRe, $sStr);&nbsp;// 결과는 아래와 같음array&nbsp; 0 =&gt; string '(3)' (length=3)&nbsp; 1 =&gt; string '(5)' (length=3)&nbsp; 2 =&gt; string '(44)' (length=4)&nbsp; 3 =&gt; string '(22)' (length=4)&nbsp; 4 =&gt; string '(11)' (length=4)string '' (length=0) <img src='/api/file/11EB0D050AFFA58897400242AC110002' style = 'max-width:100%;height:auto;' />

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