Java removes whitespace from strings, line breaks, horizontal tabs, enter

1  Final PrivateString Stringtrimall (FinalString Input) {2         if(NULL==input)3             return"";4         //regular Match {space/line feed/Carriage return/tab/page break}5         FinalString regx = "\\s*|\t|\r|\n";6Pattern Patt =Pattern.compile (REGX);7Matcher m =patt.matcher (input);8         returnM.replaceall ("");9}

When you define a parameter as the final string type, reference input cannot point to a different address. That is, the value cannot be re-assigned, because a re-assignment will point to a different address (string is the final type)

Note:

\n 回车(\u000a)

\t 水平制表符(\u0009)

\s 空格(\u0008) 

\r 换行(\u000d)*/

Java removes whitespace from strings, line breaks, horizontal tabs, enter