[Regular expression] the front-end JS gets the Control ID (this control is wrapped by other controls)

In the textbox package of the gridview package, obtain the automatically generated part of the Client ID of the textbox:
^ .*? \ D + _ [^ _] + _ [^ _] + _ [^ _] + _ + [A-Z] + \ D + _
Match Gridsegment_ctl02_pp_processtask_gridtask_ctl02 _XXXXXXXX

Repeater package gridview package textbox:
^ .*? \ D + _ [^ _] + _ + [A-Z] + \ D + _
MatchRepeaterpricemaintain_ctl08_qdatagridpricedetailmaintain_ctl02 _Xxxxxxxxxx

JS usage: Function Getvaluefromqlookup (OBJ, control, value)
{
VaR Matchinfo =   / ^ .*? \ D + _ [^ _] + _ + [A-Z] + \ D + _ / ;
VaR Matchobjid = OBJ. Match (matchinfo );
VaR Halfclientid = Matchobjid [ 0 ]
VaR Newid = Halfclientid + Control
Document. getelementbyid (newid). Value = Value;
}