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#pragma once
#include <util/generic/strbuf.h>
Y_PURE_FUNCTION bool IsSpace(const char* s, size_t len) noexcept;
/// Checks if a string is a set of only space symbols.
Y_PURE_FUNCTION static inline bool IsSpace(const TStringBuf s) noexcept {
return IsSpace(s.data(), s.size());
}
/// Returns "true" if the given string is an arabic number ([0-9]+)
Y_PURE_FUNCTION bool IsNumber(const TStringBuf s) noexcept;
Y_PURE_FUNCTION bool IsNumber(const TWtringBuf s) noexcept;
/// Returns "true" if the given string is a hex number ([0-9a-fA-F]+)
Y_PURE_FUNCTION bool IsHexNumber(const TStringBuf s) noexcept;
Y_PURE_FUNCTION bool IsHexNumber(const TWtringBuf s) noexcept;
/* Tests if the given string is case insensitive equal to one of:
* - "true",
* - "t",
* - "yes",
* - "y",
* - "on",
* - "1",
* - "da".
*/
Y_PURE_FUNCTION bool IsTrue(const TStringBuf value) noexcept;
/* Tests if the given string is case insensitive equal to one of:
* - "false",
* - "f",
* - "no",
* - "n",
* - "off",
* - "0",
* - "net".
*/
Y_PURE_FUNCTION bool IsFalse(const TStringBuf value) noexcept;
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