18 lines
712 B
TypeScript
18 lines
712 B
TypeScript
export function EscapeStringRegexp(string: string) {
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if (typeof string !== "string") {
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throw new TypeError("Expected a string");
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}
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// Escape characters with special meaning either inside or outside character sets.
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// Use a simple backslash escape when it's always valid, and a `\xnn` escape when the simpler form would be disallowed by Unicode patterns' stricter grammar.
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return string.replace(/[|\\{}()[\]^$+*?.]/gu, "\\$&").replace(/-/gu, "\\x2d");
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}
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export function IsRecord(maybeRecord: unknown): maybeRecord is Record<string, unknown> {
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return typeof maybeRecord === "object" && maybeRecord !== null;
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}
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export function IsHexadecimalString(s: string): boolean {
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return /^[0-9a-f]+$/iu.test(s);
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}
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