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10 lines
No EOL
478 B
TypeScript
10 lines
No EOL
478 B
TypeScript
// Stolen from https://stackoverflow.com/a/5717133
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export function isValidUrl(url: string): boolean {
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var pattern = new RegExp('^(https?:\\/\\/)?'+ // protocol
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'((([a-z\\d]([a-z\\d-]*[a-z\\d])*)\\.)+[a-z]{2,}|'+ // domain name
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'((\\d{1,3}\\.){3}\\d{1,3}))'+ // OR ip (v4) address
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'(\\:\\d+)?(\\/[-a-z\\d%_.~+]*)*'+ // port and path
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'(\\?[;&a-z\\d%_.~+=-]*)?'+ // query string
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'(\\#[-a-z\\d_]*)?$','i'); // fragment locator
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return !!pattern.test(url);
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} |