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12 lines
296 B
12 lines
296 B
export function isValidIPv4(str: string) {
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const blocks = str.split('.');
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if (blocks.length !== 4) return false;
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for (const value of blocks) {
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const num = parseInt(value, 10);
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if (Number.isNaN(value)) return false;
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if (num < 0 || num > 255) return false;
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}
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return true;
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}
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