deno.land / x / masx200_leetcode_test@10.6.5 / biao-shi-shu-zhi-de-zi-fu-chuan-lcof / index.ts
12345export default function isNumber(s: string): boolean { s = s.trim(); return /^(\+|\-)?(\d+(\.\d*)?|\.\d+)((e|E)(\+|\-)?\d+)?$/.test(s);}
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