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KrofDrakula/regexp.ts

Created July 30, 2019 06:42
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regexp.ts
const SPECIAL_CHARS = /[-\/\\^$*+?.()|[\]{}]/g;
const ESCAPED_CHAR = "\\$&";
const escapeRegExp = (s: string) => s.replace(SPECIAL_CHARS, ESCAPED_CHAR);
const regexp = (flags?: string) =>
(strings: string[], ...values: string[]) =>
new RegExp(strings[0] + values.map((value, index) => escapeRegExp(value) + strings[index + 1]).join(""), flags);
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