how to remove special characters from string in a file using java

Question

I have text file it contains following information.My task is to remove special symbols from that text file.My input file conatins

This is sample CCNA program. it contains CCNP™.

My required output string:

This is sample CCNA program. it contains CCNP.

how to do this please suggest me.

thanks

Answer 1

This should work, "if you're looking to retain only ASCII (0-127) characters in your string":

String str = "This is sample CCNA program. it contains CCNP™";
str = str.replaceAll("[^\\x00-\\x7f]+", "");