数据样本

[Wang, Zhiguo; Zhao, Zhiguo] Hangzhou Normal Univ, Ctr Cognit & Brain Disorders, Hangzhou, Zhejiang, Peoples R China; [Wang, Zhiguo; Theeuwes, Jan] Vrije Univ Amsterdam, Dept Cognit Psychol, Amsterdam, Netherlands

Grammar

grammar University {
    token TOP             { ^ <university> $             }
    token university      { [ <bracket> <info> ]+ % '; ' }
    token bracket         { '[' <studentname>  '] '      }
    token studentname     { <stdname=.info>+ % '; '      }
    token info            { <field>+ % ', '              }
    token field           { <-[,\]\[;\n]>+               }
}

grammar MyUniversity  is University {
    token university      { <info>+ % '; ' }
}

Action

class MyUniversityAction {
    ...
}

解析

my $parsed = University::Grammar.parse($string);

for @($parsed<university><info>) -> $u {
    say $u<field>[0];
}