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Redirecting to a relative URL in JavaScript
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What does $$ (dollar dollar or double dollar) mean in PHP?
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Batch script to delete files
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Python pandas: fill a dataframe row by row
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How to reference a method in javadoc?
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Where to find extensions installed folder for Google Chrome on Mac?
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What's the difference between and in servlet
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Center a 'div' in the middle of the screen, even when the page is scrolled up or down?
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wildcard * in CSS for classes
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Regular expression for letters, numbers and - _
...et to show how you can use this pattern:
<?php
$arr = array(
'screen123.css',
'screen-new-file.css',
'screen_new.js',
'screen new file.css'
);
foreach ($arr as $s) {
if (preg_match('/^[\w.-]*$/', $s)) {
print "$s is a match\n";
} else {
print "$s is NO match!!!\n";
};
}
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