Trim, LTrim, and RTrim Functions 

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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.

Remarks

The LTrim, RTrim, and Trim functions remove spaces from the ends of strings.

Example

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)

Requirements

Namespace: Microsoft.VisualBasic

Module: Strings

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

See Also

Reference

String Manipulation Summary
Left Function (Visual Basic)
Right Function (Visual Basic)