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<h3>Funktion length()</h3> | ||
Liefert die Länge einer Zeichenkette. | ||
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<p><h4>Syntax</h4> | ||
length(<i>zeichenkette</i>)</p> | ||
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<p><h4>Argumente</h4> | ||
<!-- List args for functions here--> | ||
<i> zeichenkette</i> -> ist eine Zeichenkette. Die Zeichenkette deren Länge zu bestimmen ist.</p> | ||
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<p><h4>Beispiel</h4> | ||
<!-- Show example of function.--> | ||
length('HALLO') -> 5</p> |
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<h3>Funktion lower()</h3> | ||
Wandelt eine Zeichenkette in Kleinbuchstaben um. | ||
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<p><h4> Syntax</h4> | ||
lower(<i>zeichenkette</i>)</p> | ||
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<p><h4> Argumente</h4> | ||
<i> zeichenkette</i> -> ist eine Zeichenkette. Die Zeichenkette, die in Kleinbuchstaben umzuwandeln ist.</p> | ||
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<p><h4> Beispiel</h4> | ||
lower('Hallo Welt') -> 'hallo welt'</p> |
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<h3>Funktion replace()</h3> | ||
Liefert eine Zeichenkette in der die angegebene Zeichenkette ersetzt ist. | ||
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<p><h4>Syntax</h4> | ||
replace(<i>zeichenkette,vorher,nachher</i>)</p> | ||
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<p><h4>Argumente</h4> | ||
<!-- List args for functions here--> | ||
<i> zeichenkette</i> -> ist eine Zeichenkette. Die ursprüngliche Zeichenkette.<br> | ||
<i> vorher</i> -> ist eine Zeichenkette. Die zu ersetzende Zeichenkette.<br> | ||
<i> nacher</i> -> ist eine Zeichenkette. Die Zeichenkette durch die <i>vorher</i> ersetzen soll<br></p> | ||
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<p><h4>Beispiel</h4> | ||
<!-- Show example of function.--> | ||
replace('QGIS SHOULD ROCK','SHOULD','DOES') -> 'QGIS DOES ROCK'</p> |
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<h3>Funktion substr()</h3> | ||
Liefert einen Teil einer Zeichenkette | ||
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<p><h4>Syntax</h4> | ||
substr(<i>zeichenkette,startpos,länge</i>)</p> | ||
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<p><h4>Argumente</h4> | ||
<!-- List args for functions here--> | ||
<i> zeichenkette</i> -> ist eine Zeichenkette. Die vollständige Zeichenkette.<br> | ||
<i> startpos</i> -> ist eine Zahl. Die Startposition des Teils.<br> | ||
<i> länge</i> -> ist eine Zahl. Die Länge des Teils.<br></p> | ||
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<p><h4>Beispiel</h4> | ||
<!-- Show example of function.--> | ||
substr('HELLO WORLD',3,5) -> 'LLO W'</p> |
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<h3>Funktion upper()</h3> | ||
Wandelt eine Zeichenkette in Großbuchstaben. | ||
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<p><h4>Syntax</h4> | ||
upper(<i>zeichenkette</i>)</p> | ||
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<p><h4>Argumente</h4> | ||
<!-- List args for functions here--> | ||
<i> zeichenkette</i> -> ist eine Zeichenkette. Die Zeichenkette, die in Großbuchstaben umzuwandeln ist.</p> | ||
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<p><h4>Beispiel</h4> | ||
<!-- Show example of function.--> | ||
upper('hello WOrld') -> 'HELLO WORLD'</p> |
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