foam-extend4.1-coherent-io/tutorials/lagrangian/icoLagrangianFoam/channelParticles/customRegexp

particleNum
{
	theTitle "Number of particles";
	expr "Current number of parcels + = (%f%)";
	titles ( nr);
}
particlesAdded
{
	theTitle "Particles added";
	expr "Added (%f%) new parcels";
	titles ( nr );
}