Hyejin Lee

구글링 해보니 이제 이해가 되었네요^^; 
+ 뒤의 ? 는 Lazy 방식으로 동작하여 반복을 최소화하는 범위에서 찾는 것으로 이해했습니다. 
[sS]+? : Lazy 방식으로 최소한으로 반복되는 범위에서 찾음 
[sS]+ : Greedy 방식으로 탐욕적으로 처음부터 끝까지 다 찾음 
<a href="https://medium.com/@originerd/%EC%A0%95%EA%B7%9C%ED%91%9C%ED%98%84%EC%8B%9D-%EC%A2%80-%EB%8D%94-%EA%B9%8A%EC%9D%B4-%EC%95%8C%EC%95%84%EB%B3%B4%EA%B8%B0-5bd16027e1e0/">참고1</a> 
<a href="https://stackoverflow.com/questions/2301285/what-do-lazy-and-greedy-mean-in-the-context-of-regular-expressions">참고2</a> <a href="https://stackoverflow.com/questions/2301285/what-do-lazy-and-greedy-mean-in-the-context-of-regular-expressions/"></a> <a href="https://stackoverflow.com/questions/2301285/what-do-lazy-and-greedy-mean-in-the-context-of-regular-expressions"></a> <a href="https://stackoverflow.com/questions/2301285/what-do-lazy-and-greedy-mean-in-the-context-of-regular-expressions"></a> <a href="https://stackoverflow.com/questions/2301285/what-do-lazy-and-greedy-mean-in-the-context-of-regular-expressions"></a> <a href="https://stackoverflow.com/questions/2301285/what-do-lazy-and-greedy-mean-in-the-context-of-regular-expressions"></a> <a href="https://stackoverflow.com/questions/2301285/what-do-lazy-and-greedy-mean-in-the-context-of-regular-expressions"><a href="https://stackoverflow.com/questions/2301285/what-do-lazy-and-greedy-mean-in-the-context-of-regular-expressions">https://stackoverflow.com/questions/2301285/what-do-lazy-and-greedy-mean-in-the-context-of-regular-expressions</a></a> 
감사합니다 :)

Hyejin Lee

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