This made me curious about how often programmers are confused about this. For anchors, this question can be answered by looking for regexes that unnecessarily use anchors to match entire strings in pattern attributes. This is a question that can be answered with, drumroll, a regular expression! Well, assuming we ignore escaping. If the regex matches the regex /^\^.*\$$/ it's a sure sign that the author wanted to be extra careful, didn't know about the semantics of the attribute, or were reusing code from the back-end for front-end validation.
В стране ЕС белоруске без ее ведома удалили все детородные органы22:38
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Thirty years ago, atmospheric scientists began to notice a worrisome trend. They knew that turbulence from storms increases in summer, when hotter and more humid air rises to form thunderheads. And they knew that clear-air turbulence increases in winter, when the temperature drops dramatically at the poles but not in the tropics. That temperature difference drives the jet stream, which creates turbulent eddies and wind shear as it rushes through slower bodies of air. But, on top of these seasonal swings, there seemed to be an over-all trend as well: Earth’s atmosphere was getting rougher.