readlrcwithregex.java

通过使用JAVA的正则表达式,把歌词文件里的时间信息删除掉 共享之

import java.util.regex.Pattern;
import java.util.regex.Matcher;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileReader;
import java.io.FileWriter;

public class readLrcWithRegEx 
{
	public static void main(String[] args) 
	{
		/*System.out.println("Hello World!, begin to read the lrc with RegEx" );
		//测试正则表达式,测试删去[],
		String regEx =  "\\[[^]]+\\]";
		String lrc = "[00:01.80]<<When You Come Home>>";
		System.out.println( "before read" );
			System.out.println(  lrc );
		Pattern p = Pattern.compile( regEx );
		Matcher m = p.matcher( lrc );
		String str = m.replaceAll( "" );
		System.out.println( "after read: " );
		System.out.println( str );
		//成功删除
		//匹配特殊字符[要在前面加\\  
		*/

		//打开文件
		BufferedReader br = new BufferedReader( new FileReader( "Billy Gilman-When You Come Home.lrc" ) );
		BufferedWriter bw = new BufferedWriter( new FileWriter( "the lrc after using the RegEx.txt" ) );
		changeWithRegEx wr = new changeWithRegEx();
		String s = "";
		try
		{
			while( ( s = br.readLine() ) != null )
			{
				s += wr.getString( s ) + "\r\n";
			}
			bw.writer( s );
			bw.flush();

		}
		catch ( Exception e )
		{
			System.err.println( "error:" + e );

		}
		finally
		{
			br.close();
			bw.close();
		}

	}


}