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32 lines
713 B
TypeScript
32 lines
713 B
TypeScript
// Loaded from https://deno.land/x/segno@v1.1.0/lib/validations/isNumeric.ts
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// @ts-ignore allowing typedoc to build
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import { assertString } from '../helpers/assertString.ts';
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// @ts-ignore allowing typedoc to build
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import { decimal } from '../helpers/alpha.ts';
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/**
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* @ignore
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*/
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const numericNoSymbols = /^[0-9]+$/;
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type NumericOptions = {
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noSymbols?: boolean;
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locale?: any;
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};
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export const isNumeric = (str: string, options?: NumericOptions) => {
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assertString(str);
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if (options && options.noSymbols) {
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return numericNoSymbols.test(str);
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}
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return new RegExp(
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`^[+-]?([0-9]*[${
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(options || {}).locale ? (decimal as any)[options?.locale] : '.'
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}])?[0-9]+$`
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).test(str);
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};
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