题解 | #检查重复字符串#
检查重复字符串
http://www.nowcoder.com/practice/5ef31f11adf64d9fb18d74860e9ab873
function containsRepeatingLetter(str) {
const matches = str.match(/[a-zA-Z]{1}/g)
return matches.length !== Array.from(new Set(matches)).length
}
检查重复字符串
http://www.nowcoder.com/practice/5ef31f11adf64d9fb18d74860e9ab873
function containsRepeatingLetter(str) {
const matches = str.match(/[a-zA-Z]{1}/g)
return matches.length !== Array.from(new Set(matches)).length
}
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