String text = asString(getArgOrLocal(arguments, 1, context));
if (text == null || text.length() == 0)
return ImmutableDoubleData.FALSE;
Perl5Util perl = PerlPool.get();
try {
if (perl.match(pattern, text))
return ImmutableDoubleData.TRUE;
else
return ImmutableDoubleData.FALSE;
} catch (Throwable t) {