主题：替换的问题

 第一个问题

Dim str As String = "ID:1531|name:服装|spec_id:5312|spec_name:长袖|value_id:153|value_name:黑色"
Dim reg As new System.Text.RegularExpressions.Regex("(?<=value_id:+).+(?=\|value_name+)")
str = reg.replace(str, "1111111111")
msgbox(str)

 第二个问题

Dim str As String = "ID:1531|name:服装|spec_id:5312|spec_name:长袖|value_id:153|value_name:黑色"
Dim reg As new System.Text.RegularExpressions.Regex("(?<=spec_id:+).+(?=\|spec_name+)")
Dim mc As Object = reg.matches(str)
msgbox(mc(0).Value)