[notes]
Match assignments, ignore other tokens with wildcard.

[type]
Parser

[grammar]
grammar T;
a : (assign|.)+ EOF ;
assign : ID '=' INT ';' {
<writeln("$text")>
} ;
ID : 'a'..'z'+ ;
INT : '0'..'9'+;
WS : (' '|'\n') -> skip;

[start]
a

[input]
x=10; abc;;;; y=99;

[output]
x=10;
y=99;