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.
第三百条 船舶优先权、船舶留置权和船舶抵押权相互之间的受偿顺序，适用法院地法律。
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Квартиру в Петербурге затопило кипятком после обрушения потолка20:57