std::basic_regex constants
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Defined in header <regex> | ||
staticconstexprstd::regex_constants::syntax_option_type icase = std::regex_constants::icase; | ||
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値 Original: Value The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. | Effect(s) |
icase | Character matching should be performed without regard to case. |
nosubs | When performing matches, no sub-expression matches should be stored in the supplied std::regex_match structure. |
optimize | Instructs the regular expression engine to make matching faster, with the potential cost of making construction slower. For example, this might mean converting a non-deterministic FSA to a deterministic FSA. |
collate | Character ranges of the form "[a-b]" will be locale sensitive. |
ECMAScript | Use the ECMAScript (JavaScript) regular expression grammar (ECMA-262 grammar documentation), modified to support collating elements, character classes, and equivalence classes from POSIX, and the character class aliases \d, \D, \s, \S, \w, and \W are made locale-sensitive |
basic | Use the basic POSIX regular expression grammar (grammar documentation). |
extended | Use the extended POSIX regular expression grammar (grammar documentation). |
awk | Use the regular expression grammar used by the awk utility in POSIX (grammar documentation) |
grep | Use the regular expression grammar used by the grep utility in POSIX. This is effectively the same as the basic option with the addition of newline '\n' as an alternation separator. |
egrep | Use the regular expression grammar used by the grep utility, with the -E option, in POSIX. This is effectively the same as the extended option with the addition of newline '\n' as an alternation separator in addtion to '|'. |
[編集]参照
(C++11) | 正規表現の振る舞いを制御する一般的なオプション Original: general options controlling regex behavior The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (typedef) |