在字符串中添加删除先前字符的字符

Question

是否有可以删除vb.net中字符串中其他字符的字符？

示例：

Dim del_char = "character that deletes previous string"
Dim str = "My Name"
Dim str2 = "Sinomra"

Dim new_str = str & del_char & str2
'so the result of the new_str should be "Sinomra"