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How to get the intermediate value of a string with '' using JS? _javascript skills



How to get the intermediate value of a string with '' using JS? _javascript skills
May 16, 2016 pm 07:19 PM
第一种方法:
var test = "c:\\abc\\123.txt";
alert( test.lastIndexOf( "\\" ) );
一些特殊的字符需要 用 转义字符 "\" "\\" 就是表示 \ "\"" 表示 "
至于 获取 中间的123 ,你自己来了。
第二中:用正则表达式
[Ctrl+A 全选 注:如需引入外部Js需刷新才能执行]
var test = "c:\\abc\\123.txt";
alert( test.lastIndexOf( "\\" ) );
一些特殊的字符需要 用 转义字符 "\" "\\" 就是表示 \ "\"" 表示 "
至于 获取 中间的123 ,你自己来了。
第二中:用正则表达式
[Ctrl+A 全选 注:如需引入外部Js需刷新才能执行]
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