Question

用验证控件控制TextArea里面只能输入数字和逗号

在.NET里面实现“用验证控件控制TextArea里面只能输入数字和逗号”要用正则表达式
急急急！！！

Answer 1

Imports System.Text.RegularExpressions

Public Class Form1

Private Sub TextBox1_KeyPress(ByVal sender As Object, ByVal e As System.Windows.Forms.KeyPressEventArgs) Handles TextBox1.KeyPress
Dim re As New Regex("\d|,")
Dim text As String = e.KeyChar
Dim mc As MatchCollection = re.Matches(text)

If mc.Count = 0 Then
e.Handled = True
End If
End Sub
End Class

Answer 2

/^(\d+\,)+\d+$/验证只能输入数字和逗号的正则

Answer 3

var re=/[0-9,]+/