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Nov 3, 2024
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Update solution.md #1224

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2 changes: 1 addition & 1 deletion 9-regular-expressions/04-regexp-anchors/1-start-end/solution.md
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Expand Up @@ -2,4 +2,4 @@

这个题目再次证明了锚点不是字符串，而是测试。

对于空字符串 `""`，正则表达式引擎将会首先匹配 `pattern:^`（输入开始），匹配成功，然后立即匹配结束 `pattern:$`，也匹配成功。所空字符串是匹配项。
对于空字符串 `""`，正则表达式引擎将会首先匹配 `pattern:^`（输入开始），匹配成功，然后立即匹配结束 `pattern:$`，也匹配成功。所以空字符串是匹配项。