## basic usage a1 = 1; a2 = 2; clearvars a1; assert(!ismember("a1", who)); assert(ismember("a2", who)); ## globs a1 = 1; a2 = 2; clearvars a*; assert(!ismember("a1", who)); assert(!ismember("a2", who)); ## regexp a1 = 1; a2 = 2; aa = 3; clearvars -regexp a[0-9]; assert(!ismember("a1", who)); assert(!ismember("a2", who)); assert(ismember("aa", who)); ## regexp a111 = 1; a222 = 2; a333 = 3; clearvars -regexp ^a\d{3}$ -except a333 assert(!ismember("a111", who)); assert(!ismember("a222", who)); assert(ismember("a333", who)); ## except a1 = 1; a2 = 2; clearvars a* -except a2; assert(!ismember("a1", who)); assert(ismember("a2", who)); ## except regexp a1 = 1; a2 = 2; aa = 3; clearvars a* -except -regexp a[0-9]; assert(ismember("a1", who)); assert(ismember("a2", who)); assert(!ismember("aa", who)); ## regexp except a1 = 1; a2 = 2; aa = 3; clearvars -regexp a* -except a[0-9]; assert(ismember("a1", who)); assert(ismember("a2", who)); assert(!ismember("aa", who)); ## global function f() assert(ismember("a3", who("global"))); a1 = 1; a2 = 2; clearvars -global a* assert(ismember("a1", who)); assert(ismember("a2", who)); endfunction global a3 = 4 f(); assert(!ismember("a3", who("global")));