An eval is possible, but some people rather avoid eval. You can avoid eval by making use of a symbolic reference: 
my $style = 'wxTE_MULTILINE';
{
    no strict 'refs';
    say &$style;  # or: say $style->()
}

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In reply to Re^4: Using a scalar as a constant? by JavaFan
in thread Using a scalar as a constant? by Anonymous Monk

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