padrão expressão composta (died of e died from - termo depois)

died_[A-Z]{2,3} (.*)? from_IN X (.|,|:|;)
died_[A-Z]{2,3} of_IN X (.|,|:|;)

1. Java: died_[A-Z]{2,3} of_IN ((?:[\\w-/]*_[A-Z]{2,3}\\s)*?)(?:\\.|,|:|;)
		 died_[A-Z]{2,3} (?:(?:[\\w-/]*_[A-Z]{2,3}\\s)*?)?from_IN ((?:[\\w-/]*_[A-Z]{2,3}\\s)*?)(?:\\.|,|:|;)
 	Todas 2 em uma expressão: died_[A-Z]{2,3} of_IN ((?:[\\w-/]*_[A-Z]{2,3}\\s)*?)(?:\\.|,|:|;)|died_[A-Z]{2,3} (?:(?:[\\w-/]*_[A-Z]{2,3}\\s)*?)?from_IN ((?:[\\w-/]*_[A-Z]{2,3}\\s)*?)(?:\\.|,|:|;)
2. Perl: died_[A-Z]{2,3} of_IN ((?:[\w-/]*_[A-Z]{2,3}\s)*?)(?:\.|,|:|;)
		 died_[A-Z]{2,3} (?:(?:[\w-/]*_[A-Z]{2,3}\s)*?)?from_IN ((?:[\w-/]*_[A-Z]{2,3}\s)*?)(?:\.|,|:|;)
	Todas 2 em uma expressão: died_[A-Z]{2,3} of_IN ((?:[\w-/]*_[A-Z]{2,3}\s)*?)(?:\.|,|:|;)|died_[A-Z]{2,3} (?:(?:[\w-/]*_[A-Z]{2,3}\s)*?)?from_IN ((?:[\w-/]*_[A-Z]{2,3}\s)*?)(?:\.|,|:|;)
	// \w  Casa letras, dígitos, ou '_'.
	// 1 e 2 são equivalentes
	
Sentences Examples:

She_PRP died_VBD during_IN the_DT second_JJ year_NN of_IN therapy_NN from_IN acute_JJ severe_JJ anemia_NN during_IN an_DT episode_NN of_IN splenic_JJ sequestration_NN ._.

One_CD patient_NN who_WP died_VBD was_VBD described_VBN previously_RB ._.

One_CD patient_NN died_VBD of_IN a_DT fatal_JJ episode_NN of_IN splenic_JJ sequestration_NN before_IN completing_VBG 2_CD years_NNS of_IN treatment_NN ._.

Two_CD patients_NNS who_WP had_VBD quit_VBN transfusion_NN subsequently_RB died_VBD of_IN sepsis_NN ._.

One_CD 18-year_JJ old_JJ patient_NN ,_, who_WP had_VBD received_VBN hydroxyurea_NN for_IN 11_CD months_NNS and_CC had_VBD only_RB a_DT slight_JJ reduction_NN in_IN the_DT frequency_NN of_IN painful_JJ episodes_NNS ,_, died_VBD suddenly_RB from_IN asystole_NN while_IN he_PRP was_VBD hospitalized_VBN for_IN a_DT painful_JJ crisis_NN ._.

Eighteen_CD patients_NNS died_VBD ,_, and_CC the_DT most_RBS common_JJ causes_NNS of_IN death_NN were_VBD pulmonary_JJ emboli_NNS and_CC infectious_JJ bronchopneumonia_NN ._.

Respiratory_JJ failure_NN developed_VBN in_IN 46_CD percent_NN of_IN patients_NNS with_IN neurologic_JJ complications_NNS ;_: 92_CD percent_NN of_IN these_DT patients_NNS underwent_VBD transfusion_NN ,_, and_CC 23_CD percent_NN died_VBD ._.

Eighteen_CD patients_NNS died_VBD ._.