std::basic_string::find_first_of – cppreference.com

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`size_type find_first_of( const basic_string& str, size_type pos = 0 ) const;`	(1)

`size_type find_first_of( const CharT* s, size_type pos, size_type count ) const;`	(2)

`size_type find_first_of( const CharT* s, size_type pos = 0 ) const;`	(3)

`size_type find_first_of( CharT ch, size_type pos = 0 ) const;`	(4)

Findet das erste Zeichen gleich einem der Zeichen in der vorgegebenen Zeichensequenz. Suche beginnt bei pos, dh die gefundenen Zeichens darf nicht in Position vor pos sein .

Original:

Finds the first character equal to one of characters in the given character sequence. Search begins at pos, i.e. the found character must not be in position preceding pos.

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Findet das erste Zeichen gleich einem Zeichen in str .

Original:

Finds the first character equal to one of characters in str.

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Findet das erste Zeichen gleich einer der Zeichen in den ersten count Zeichen der Zeichenkette, auf den durch s. s gehören Nullzeichen .

Original:

Finds the first character equal to one of characters in the first count characters of the character string pointed to by s. s can include null characters.

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Sucht das erste Zeichen gleich ein Zeichen in der Zeichenkette, auf die s. Die Länge der Zeichenfolge wird von der ersten Null-Zeichen bestimmt .

Original:

Finds the first character equal to one of characters in character string pointed to by s. The length of the string is determined by the first null character.

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Sucht das erste Zeichen gleich ch .

Original:

Finds the first character equal to ch.

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Parameter

str	-	Zeichenfolge, die Zeichen zu suchen Original: string identifying characters to search for The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
pos	-	Position, an der Suche zu beginnen Original: position at which to begin searching The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
count	-	Länge der Zeichenkette identifiziert Zeichen zur Suche ein Original: length of character string identifying characters to search for The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
s	-	Zeiger auf eine Zeichenkette identifiziert Zeichen zur Suche ein Original: pointer to a character string identifying characters to search for The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
ch	-	Charakter zu suchen Original: character to search for The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

Rückgabewert

Position des gefundenen Zeichens oder npos wenn keine solche Zeichen gefunden .

Original:

position of the found character or npos if no such character is found.

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Ausnahmen

1,4)

Notes

traits::eq() wird verwendet, um den Vergleich durchzuführen .

Original:

traits::eq() is used to perform the comparison.

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Beispiel

Siehe auch


find	finden Sie in der Zeichenfolge Original: find characters in the string The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (öffentliche Elementfunktion) [edit]

rfind	Sucht das letzte Vorkommen eines Teilstrings Original: find the last occurrence of a substring The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (öffentliche Elementfunktion) [edit]

find_first_not_of	finden Sie die erste Abwesenheit von Zeichen Original: find first absence of characters The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (öffentliche Elementfunktion) [edit]

find_last_of	Letztes Vorkommen von Zeichen Original: find last occurrence of characters The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (öffentliche Elementfunktion) [edit]

find_last_not_of	Sie letzten Abwesenheit von Zeichen Original: find last absence of characters The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (öffentliche Elementfunktion) [edit]