重复图案的正则表达式

Question

我有以下输入文本：pagelimit=50&filtercolumn=Datacenter&filtervalue=abfg1&filtercolumn=MachineType&filtervalue=fg&filtercolumn=GPG&filtervalue=IPMI我想回来filtercolumn=Datacenter&filtervalue=abfg1filtercolumn=MachineType&filtervalue=fgfiltercolumn=GPG&filtervalue=IPMI这些可能不限数量。我已经尝试了几件事。我目前正在尝试这样的事情：(?:((filtercolumn=.*&filtervalue=.*)+)?)但是，当然不行。我得到：filtercolumn=Datacenter&filtervalue=abfg1&filtercolumn=MachineType&filtervalue=fg&filtercolumn=GPG&filtervalue=IPMIfiltercolumn=Datacenter&filtervalue=abfg1&filtercolumn=MachineType&filtervalue=fg&filtercolumn=GPG&filtervalue=IPMI