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| "use strict";
|
| // Note that we take code points as JS numbers, not JS strings.
|
| function isASCIIDigit(c) {
| return c >= 0x30 && c <= 0x39;
| }
|
| function isASCIIAlpha(c) {
| return (c >= 0x41 && c <= 0x5A) || (c >= 0x61 && c <= 0x7A);
| }
|
| function isASCIIAlphanumeric(c) {
| return isASCIIAlpha(c) || isASCIIDigit(c);
| }
|
| function isASCIIHex(c) {
| return isASCIIDigit(c) || (c >= 0x41 && c <= 0x46) || (c >= 0x61 && c <= 0x66);
| }
|
| module.exports = {
| isASCIIDigit,
| isASCIIAlpha,
| isASCIIAlphanumeric,
| isASCIIHex
| };
|
|
