trim

I know how to do this when the variable is pre-defined. However, when asking for the user to enter in some kind of input, how do I trim leading and trailing whitespace? This is what I have so far: @echo off set /p input=: echo. The input is %input% before ::trim left whitespace for /f "tokens=* delims= " %%a in ("%input%") do set input=%%a ::trim right whitespace (up to 100 spaces at the end) for /l %%a in (1,1,100) do if "!input:~-1!"==" " set input=!input:~0,-1! echo. The input is %input% after pause You need to enable delayed expansion. Try this: @echo off setlocal enabledelayedexpansion

How can I trim characters in Java? e.g. String j = “\joe\jill\”.Trim(new char[] {“\”}); j should be "joe\jill" String j = “jack\joe\jill\”.Trim("jack"); j should be "\joe\jill\" etc Colin Gislason Apache Commons has a great StringUtils class (org.apache.commons.lang.StringUtils). In StringUtils there is a strip(String, String) method that will do what you want. I highly recommend using Apache Commons anyway, especially the Collections and Lang libraries. This does what you want: public static void main (String[] args) { String a = "\\joe\\jill\\"; String b = a.replaceAll("\\\\$", "")

I need to remove spaces from the end of a string. How can I do that? Example: if string is "Hello " it must become "Hello" Dan Use -stringByTrimmingCharactersInSet: NSString *string = @" this text has spaces before and after "; NSString *trimmedString = [string stringByTrimmingCharactersInSet: [NSCharacterSet whitespaceAndNewlineCharacterSet]]; (This will trim whitespace characters on both ends). Swift 3 let string = " this text has spaces before and after " let trimmedString = string.trimmingCharacters(in: .whitespacesAndNewlines) Matt H. Another solution involves creating mutable string: /

How can I remove all white space from the beginning and end of a string? Like so: "hello" returns "hello" "hello " returns "hello" " hello " returns "hello" " hello world " returns "hello world" Mau String.Trim() returns a string which equals the input string with all white-spaces trimmed from start and end: " A String ".Trim() -> "A String" String.TrimStart() returns a string with white-spaces trimmed from the start: " A String ".TrimStart() -> "A String " String.TrimEnd() returns a string with white-spaces trimmed from the end: " A String ".TrimEnd() -> " A String" None of the methods modify

Does swift have a trim method on String? For example: let result = " abc ".trim() // result == "abc" Sivanraj M Here's how you remove all the whitespace from the beginning and end of a String . (Example tested with Swift 2.0 .) let myString = " \t\t Let's trim all the whitespace \n \t \n " let trimmedString = myString.stringByTrimmingCharactersInSet( NSCharacterSet.whitespaceAndNewlineCharacterSet() ) // Returns "Let's trim all the whitespace" (Example tested with Swift 3+ .) let myString = " \t\t Let's trim all the whitespace \n \t \n " let trimmedString = myString.trimmingCharacters(in: