Why I (sometimes) love regular expressions
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Command line wizards are forever encouraging the rest of us to learn regular expressions (regex). We're told regex is elegant, powerful and incredibly useful.
The downside is that regex can be seriously fiddly. One fly-spot out of place, and the code fails. For this reason I only use 'non-simple' regex when I absolutely have to. But when I do, sigh... Regex really is elegant and powerful, as the following example shows.
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