정규식 사용방법

정규식 사용

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1. String format = "^[a-z][a-z0-9]*$"  
2. Pattern pattern = Pattern.comlie(format);  
3. Matcher matcher1 = pattern.matcher("안녕~");  
4. boolean flag = matcher1.find(); //페턴에 맞으면 true가 리턴  

String format = "^[a-z][a-z0-9]*$" Pattern pattern = Pattern.comlie(format); Matcher matcher1 = pattern.matcher("안녕~"); boolean flag = matcher1.find(); //페턴에 맞으면 true가 리턴