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Trim, LTrim, and RTrim Functions 

Returns a string containing a copy of a specified string with no leading spaces (LTrim), no trailing spaces (RTrim), or no leading or trailing spaces (Trim).


Public Shared Function LTrim(ByVal str As String) As String
Public Shared Function RTrim(ByVal str As String) As String
Public Shared Function Trim(ByVal str As String) As String

Parameters

str

Required. Any valid String expression.

The LTrim, RTrim, and Trim functions remove spaces from the ends of strings. To remove other forms of white space, such as tab characters, use the System.String.Trim method.

This example uses the LTrim function to strip leading spaces and the RTrim function to strip trailing spaces from a string variable. It uses the Trim function to strip both types of spaces.

' Initializes string.
Dim TestString As String = "  <-Trim->  "
Dim TrimString As String
' Returns "<-Trim->  ".
TrimString = LTrim(TestString)
' Returns "  <-Trim->".
TrimString = RTrim(TestString)
' Returns "<-Trim->".
TrimString = LTrim(RTrim(TestString))
' Using the Trim function alone achieves the same result.
' Returns "<-Trim->".
TrimString = Trim(TestString)

Namespace: Microsoft.VisualBasic

Module: Strings

Assembly: Visual Basic Runtime Library (in Microsoft.VisualBasic.dll)

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