????replace??replaceAll??JAVA?谐?????婊�?????????????????????:
????1)replace???????char??CharSequence?????????????????婊�??????????????婊�(CharSequence??????????械???????????????????);
????2)replaceAll???????regex?????????????????婊�?????纾�???????replaceAll("\d"?? "*")?????????????械?????????????????;
??????????????????婊�?????????????械????????????????????????????????????????????婊�????纬???????????? replaceFirst()????????????????????????婊�??????replaceAll()??????????婊�????纬?????????;
???????????replaceAll()??replaceFirst()?????????????????????????????replace()?婊�???????效????????????????????????????????;
??????????????:??????婊�??????????????????????蟹???????.
????????????:
String src = new String("ab43a2c43d");
System.out.println(src.replace("3"??"f"));=>ab4f2c4fd.
System.out.println(src.replace('3'??'f'));=>ab4f2c4fd.
System.out.println(src.replaceAll("\d"??"f"));=>abffafcffd.
System.out.println(src.replaceAll("a"??"f"));=>fb43fc23d.
System.out.println(src.replaceFirst("\d??"f"));=>abf32c43d
System.out.println(src.replaceFirst("4"??"h"));=>abh32c43d.
??????谓???????械?""?婊�??"\"??
????String msgIn;
????String msgOut;
????msgOut=msgIn.replaceAll("\\"??\\\\);
????ps:貌????????????msgIn = msgIn.replaceAll("\\"??\\\\);
???????
????''??java?????????????????????????????????????????System.out.println( "\" ) ;?????????""??????''???????????械?????????replaceAll ?????????????????????????????????????????\\??java?????\??\??????????????伞?
???????
????CODE: \\\\
????Java: \\
????Regex: \
????????????械?'/'?婊�??''???????:
????msgOut= msgIn.replaceAll("/"?? "\\");
????msgOut= msgIn.replace("/"?? "\");
????msgOut= msgIn.replace('/'?? '\');