题解 | #子字符串频次#
子字符串频次
http://www.nowcoder.com/practice/053caf9d4d9d449bb45a6b02a572f71b
正则表达式匹配全局出现的字符数组,返回其长度
const _searchStrIndexOf = (str, target) => {
// 补全代码
return str.match(new RegExp(target, 'g')).length
}
子字符串频次
http://www.nowcoder.com/practice/053caf9d4d9d449bb45a6b02a572f71b
const _searchStrIndexOf = (str, target) => {
// 补全代码
return str.match(new RegExp(target, 'g')).length
}
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