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13 lines
246 B
13 lines
246 B
#pragma once
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inline bool is_digit(char v) {
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return v >= '0' && v <= '9';
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}
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inline bool is_alpha(char v) {
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return (v >= 'a' && v <= 'z' )||(v >= 'A' && v <= 'Z');
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}
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inline bool is_alnum(char v) {
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return is_alpha(v) || is_digit(v);
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}
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