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d2b38ef4b8
# Description of Changes Move frontend code into `core` folder and add infrastructure for `proprietary` folder to include premium, non-OSS features
24 lines
903 B
TypeScript
24 lines
903 B
TypeScript
export const validatePageNumbers = (pageNumbers: string): boolean => {
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if (!pageNumbers.trim()) return false;
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// Normalize input for validation: remove spaces around commas and other spaces
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const normalized = pageNumbers.replace(/\s*,\s*/g, ',').replace(/\s+/g, '');
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const parts = normalized.split(',');
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// Regular expressions for different page number formats
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const allToken = /^all$/i; // Select all pages
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const singlePageRegex = /^[1-9]\d*$/; // Single page: positive integers only (no 0)
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const rangeRegex = /^[1-9]\d*-(?:[1-9]\d*)?$/; // Range: 1-5 or open range 10-
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const mathRegex = /^(?=.*n)[0-9n+\-*/() ]+$/; // Mathematical expressions with n and allowed chars
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return parts.every(part => {
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if (!part) return false;
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return (
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allToken.test(part) ||
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singlePageRegex.test(part) ||
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rangeRegex.test(part) ||
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mathRegex.test(part)
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);
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});
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};
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