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Zeichengruppen bei regulären Ausdrücken
Regulärer Ausdruck 
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[:alnum:] 
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[:alpha:] 
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[:alpha:]Ã„Ã–ÃœÃ¤Ã¶Ã¼ÃŸ 
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[:blank:] 





























































[:cntrl:] 





























































[:digit:] 




















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[:graph:] 
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[:lower:] 



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[:print:] 
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[:punct:] 
























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[:space:] 





























































[:upper:] 
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[:xdigit:] 
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\w 
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\wÃ„Ã–ÃœÃ¤Ã¶Ã¼ÃŸ 
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