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19 lines
450 B
JavaScript
19 lines
450 B
JavaScript
import { isHex } from '../is/hex.js';
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/**
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* @name hexHasPrefix
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* @summary Tests for the existence of a `0x` prefix.
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* @description
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* Checks for a valid hex input value and if the start matched `0x`
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* @example
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* <BR>
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*
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* ```javascript
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* import { hexHasPrefix } from '@pezkuwi/util';
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*
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* console.log('has prefix', hexHasPrefix('0x1234')); // => true
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* ```
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*/
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export function hexHasPrefix(value) {
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return !!value && isHex(value, -1);
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}
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