正则表达式中$的意思
时间: 2024-01-01 16:04:50 浏览: 35
在正则表达式中,$的意思是代表结束位置。它用于匹配字符串的结尾位置。当$紧跟在某个模式之后时,它表示该模式必须出现在字符串的结尾处。例如,如果你使用正则表达式"abc$",它将匹配以"abc"结尾的字符串,而不会匹配包含"abc"的字符串中间或开头的位置。\[1\]
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