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    Answers and rating deltas for
    Perl: How to check if a mathematical expression contains alphanumeric parts
| Author | Votes | Δ | 
|---|---|---|
| ikegami | 2 | +0.96 | 
| zdim | 1 | +0.62 | 
| Dada | 0 | -0.96 | 
| Kaspar Lee | -1 | -1.46 | 
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