package cs3500.regexp.failed1; /** * Describes the alternation of two regular expressions in sequence: this whole expression * matches a string if either of the components match the string. */ public class Alternate extends AbstractRegexp { AbstractRegexp r1; AbstractRegexp r2; Alternate(AbstractRegexp r1, AbstractRegexp r2) { this.r1 = r1; this.r2 = r2; } @Override public boolean matches(String target) { return this.r1.matches(target) || this.r2.matches(target); } }