Parse column names from file

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C++

parsing

Problem to parse words from a text file that contains pipe as delimiter

I have a file that have values like

============================================================
Id | Name | Age |D | Type |P       |
   |      |     |O |      |H       |
   |      |     |B |      |Number  |
============================================================

I have to parse these lines and extract the column names which are Id,Name,Age,DOB,Type,PHNumber into a vector.

I am not able to get DOB and PHNumber names.
Please suggest how should I parse these lines.

What I have tried:

boost::regex col_check("^[A-Z].*");
while(getline(ifile,record))
    {
	   if(regex_match(record,col_check) )
		{
		    string tmp=record;
		    istringstream line(tmp);
		    while(getline(line,token,'|'))
		    {
		      rows.push_back(token);
		      
		      
		    }
	}
}