14 lines
179 B
Markdown
14 lines
179 B
Markdown
---
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layout: post
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title: Serious Regular Expressions
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tag:
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- humor
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---
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```
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$n = '[0-9]';
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$reg = '/^[AZ]'.$n.$n.$n.$n.$n.$n.$n.$n.'$/';
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if(preg_match($reg, $id)) {
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// ...
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}
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```
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