Java正则表达式匹配多行
在编写程序时，往往会遇到需要正则表达式匹配多行的情况，在网上看了好多方法，猛回头，突然发现多行是可以设置的，代码如下。
package com.my.test;import java.io.BufferedOutputStream;import java.io.File;import java.io.FileNotFoundException;import java.io.FileOutputStream;import java.io.IOException;import java.net.URI;import java.net.URISyntaxException;import java.util.ArrayList;import java.util.List;import java.util.regex.Matcher;import java.util.regex.Pattern;public class MyTest {static String tt = "rsion="1.0" encoding="UTF8"?>\n<Service>\n<Service_Header>\n<processes currentprocess="1" nextprocess="1" total="1">\n<process id="1">\n<service_sn>1000001000009000001</service_sn>\n<service_id>00010000000100</service_id>\n<requester_id>0002</requester_id>\n<channel_id>01</channel_id>\n</process>\n</processes>\n<branch_id>802777777</branch_id>\n<service_time>20120323153800</service_time>\n<version_id>02</version_id>\n<service_response/>\n</Service_Header>\n<Service_Body>\n<request>\n<HR_ORG_NAME loop_num="1" p_type="G">\n<MANDT>500</MANDT>\n<PLVAR>01</PLVAR>\n<OTYPE>O</OTYPE>\n<OBJID>00000001</OBJID>\n<ISTAT>1</ISTAT>\n<BEGDA>20100101</BEGDA>\n<ENDDA>99991231</ENDDA>\n<LANGU>1</LANGU>\n<SEQNR>000</SEQNR>\n<AEDTM>20110413</AEDTM>\n<MC_SHORT>xxxx</MC_SHORT>\n<MC_STEXT>xxxx</MC_STEXT>\n<DEL/>\n</HR_ORG_NAME>\n<HR_ORG_NAME loop_num="2" p_type="G">\n<MANDT>500</MANDT>\n<PLVAR>01</PLVAR>\n<OTYPE>O</OTYPE>\n<OBJID>00000002</OBJID>\n<ISTAT>1</ISTAT>\n<BEGDA>20100101</BEGDA>\n<ENDDA>99991231</ENDDA>\n<LANGU>1</LANGU>\n<SEQNR>000</SEQNR>\n<AEDTM>20110413</AEDTM>\n<MC_SHORT>xxxx</MC_SHORT>\n<MC_STEXT>xxxx</MC_STEXT>\n<DEL/>\n</HR_ORG_NAME>\n<HR_ORG_NAME loop_num="3" p_type="G">\n<MANDT>500</MANDT>\n<PLVAR>01</PLVAR>\n<OTYPE>O</OTYPE>\n<OBJID>00000003</OBJID>\n<ISTAT>1</ISTAT>\n<BEGDA>20100101</BEGDA>\n<ENDDA>99991231</ENDDA>\n<LANGU>1</LANGU>\n<SEQNR>000</SEQNR>\n<AEDTM>20110413</AEDTM>\n<MC_SHORT>xxxx</MC_SHORT>\n<MC_STEXT>xxxx</MC_STEXT>\n<DEL/>\n</HR_ORG_NAME>\n</request>\n<ext_attributes>\n<T_KEY_LABEL>0502</T_KEY_LABEL>\n<KEY_LABEL>0001</KEY_LABEL>\n</ext_attributes>\n<response/>\n</Service_Body>\n</Service>";/** * @param args */public static void main(String[] args) {//System.out.println(MyTest.class.getResource(".").getPath().substring(1));//List<String> tt1 = new ArrayList<String>();//tt1.add(tt);//writeFile(tt1);Matcher requstMatcher = Pattern.compile("(.*)<[rR][eE][qQ][uU][eE][sS][tT]>(.*)</[rR][eE][qQ][uU][eE][sS][tT]>(.*)",Pattern.MULTILINE | Pattern.DOTALL).matcher(tt);String requestContent = "";if(requstMatcher.find())requestContent =requstMatcher.group(2);requstMatcher = Pattern.compile("<(([A-Z]|[a-z]|_|\\d){1,})\\s*loop_num="\\d+"\\s*p_type\\s*=\\s*"([A-Z]|[a-z])">").matcher(requestContent);String tableName = "";if(requstMatcher.find())tableName = requstMatcher.group(1);requstMatcher = Pattern.compile("<" + tableName + "\\s{1,}loop_num="\\d{1,}"\\s{1,}p_type="[a-z]|[A-Z]">(.*?)>\\s*</" + tableName + ">",Pattern.MULTILINE | Pattern.DOTALL).matcher(requestContent);while(requstMatcher.find()){String datas = requstMatcher.group(1);Matcher requstDataMeta = Pattern.compile("<([^/].*?)>").matcher(datas);while(requstDataMeta.find()){String propertyName = requstDataMeta.group(1).trim();String val = "";Matcher requstItem = Pattern.compile("<" + propertyName + ">(.*?)</" + propertyName,Pattern.MULTILINE).matcher(datas);if(requstItem.find())val = requstItem.group(1);System.out.println("属性是：" + propertyName + " 值是：" + val);}System.out.println("____________________________________________________________________________________________________________");}StringBuffer tt = new StringBuffer();tt.append("and").append(" ").append("fal").append("=").append("#dal#");System.out.println(tt.delete(0, tt.length()).toString());}}