正则表达式的一些常用场景

Stringanser=convention.getAnswer();

if(!ValueWidget.isNullOrEmpty(anser)){

anser=RegexUtil.filterExpression(anser);

convention.setAnswer(anser);

}

staticStringdeleteDuplicateRow(Stringinput){

if(ValueWidget.isNullOrEmpty(input)){

returninput;

}

String[]rows=input.split(SystemHWUtil.CRLF);

List<String>stringlist=newArrayList<>();

for(inti=0;i<rows.length;i++){

stringlist.add(rows[i]);

}

//搜索结果是经过排序的，根据此规律删除不合要求File

0;i<stringlist.size()-1;i++){

if(stringlist.get(i).equals(stringlist.get(i+1))){

stringlist.remove(i);

if(i!=0)i--;

}

}

returnSystemHWUtil.formatArr(stringlist,SystemHWUtil.CRLF);

}

System.out.println("input:"+input);

StringunicodeStr=input.replace(""3e[r][n]"","").replaceAll("[[s]*0[xX][s]*([w]{2})]","%$1")

.replaceAll("[0[xX]([w]{1})]","%0$1");

//ComponentUtil.appendResult(resultTextArea,unicodeStr,true,false);

unicodeStr=RegexUtil.dealCiaResponseRequest(unicodeStr,true);

//unicodeStr=RegexUtil.dealCiaResponse(unicodeStr,Constant2.REGEX_DELETE_FRONT_OF_CIA,true);

//删除重复的行(必须是相连的)

unicodeStr=RegexUtil.deleteDuplicateRow(unicodeStr);

*

staticStringhumpMarking(Stringinput){

Patternp=Pattern.compile("_[a-z]");

Matcherm=p.matcher(input);

StringBuffersb=newStringBuffer();

booleanresult=m.find();

while(result){

StringfindResult=m.group().toUpperCase().replaceAll("^_",SystemHWUtil.EMPTY);

m.appendReplacement(sb,findResult);

result=m.find();

}

m.appendTail(sb);

returnsb.toString().replaceAll("_$",SystemHWUtil.EMPTY);

}

staticStringsplitPlus(Stringinput,Stringcr,Stringquote,85);font-weight:bold;">booleankeepBlank){

input=input.replaceAll(cr+"+$","");

Stringchinese;

//Stringquote=""";

Stringreplacement=quote+"+SystemHWUtil.CRLF+$1"+quote+"$2";

Stringregex=null;

StringregexMutip=null;//是否匹配多个换行

if(keepBlank){//保持空格<br/>[^nr]表示不是换行

regex="([^nr]*)";

regexMutip="";

}else{

regex="[s]*([^s]+.*)";

regexMutip="+";

}

input=input.replace(quote,""+quote);//原字符串转义

//简单点说,就是把[换行]替换为['(单引号)+(加号)'(单引号)]

//所以最前面和最后面需要各补一个单引号

if(cr.equals("rn")){

chinese=input.replaceAll("(rn)"+regexMutip+regex,replacement);

}elseif(cr.equals("n")){

chinese=input.replaceAll("(n)"+regexMutip+regex,85);font-weight:bold;">if(cr.equals("r")){

chinese=input.replaceAll("(r)"+regexMutip+regex,85);font-weight:bold;">else{

chinese=input.replaceAll("(nr)"+regexMutip+regex,replacement);

}

returnquote+chinese+quote+";";

}

returnsplitPlus(input,cr,quote,85);font-weight:bold;">false);

}

@Override

publicStringcallbackAdditional(Stringinput,Objectcrfl){

returnRegexUtil.splitPlus(input,(String)crfl,""",85);font-weight:bold;">true);

}

staticbooleancontain2(Stringinput,Stringregex){

*input:(1)bss登录(2)<br>

regex:bss登录(2)

*/

regex=regex.replace("(","(");

regex=regex.replace(")",")");

returnfalse;

}

Patternp=Pattern.compile(regex,Pattern.CASE_INSENSITIVE);

Matcherm=p.matcher(input);

returnresult;

}