cognos data item expression

Obtain data in xml using a regular expression 20110524 13.82 13.94 13.79 13.85 20110525 13.82 13.86 13.58 13.60 This is part of the xml file. it is to extract the val

Example concept: Use label1 to display the listbox1 option, and use label2 to display the checkbox1 status. 1. place controls: label1, label2, listbox1, checkbox1, bindingslist1, and bindscope1;2. Activate the onclick event of listbox1 and the default event of the form. Unit unit1; interfaceuses system. sysutils, system. types, system. uitypes, system. classes, system. variants, FMX. types, FMX. controls, FMX. forms, FMX. dialogs, Data. BIN

Data validation of a subexpression (subexpressions), which decomposes the subexpression of a regular expression by means of parentheses "()"; Then use the subscript designator [], output the corresponding subexpression, "0" on behalf of the whole, "1" for the first bracket, followed by accumulator; Verify the match of the regular expression by matching the ques