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Last change
on this file was 9af201e, checked in by MBK <marija.karapandzova@…>, 13 days ago |
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Fix frontend appearance
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-
Property mode
set to
100644
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File size:
518 bytes
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| 1 | "use strict";
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| 2 |
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| 3 | // Note that we take code points as JS numbers, not JS strings.
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| 4 |
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| 5 | function isASCIIDigit(c) {
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| 6 | return c >= 0x30 && c <= 0x39;
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| 7 | }
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| 8 |
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| 9 | function isASCIIAlpha(c) {
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| 10 | return (c >= 0x41 && c <= 0x5A) || (c >= 0x61 && c <= 0x7A);
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| 11 | }
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| 12 |
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| 13 | function isASCIIAlphanumeric(c) {
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| 14 | return isASCIIAlpha(c) || isASCIIDigit(c);
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| 15 | }
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| 16 |
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| 17 | function isASCIIHex(c) {
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| 18 | return isASCIIDigit(c) || (c >= 0x41 && c <= 0x46) || (c >= 0x61 && c <= 0x66);
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| 19 | }
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| 20 |
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| 21 | module.exports = {
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| 22 | isASCIIDigit,
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| 23 | isASCIIAlpha,
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| 24 | isASCIIAlphanumeric,
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| 25 | isASCIIHex
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| 26 | };
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