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  1. for $x (qq[\n...\nabc\n...\n], qq[\nabc\n], qq[\nabc], qq[abc\n], qq[abc]) {
  2. print qq({{{$x}}} does);
  3. print q( not) if $x !~ /^\w+$/;
  4. print qq( match\n\n);
  5. }
  6.  
Success #stdin #stdout 0s 4596KB
stdin
Standard input is empty
stdout
{{{
...
abc
...
}}} does not match

{{{
abc
}}} does not match

{{{
abc}}} does not match

{{{abc
}}} does match

{{{abc}}} does match