character_class « Regular Expressions « MySQL Tutorial

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MySQL Tutorial » Regular Expressions » character_class 
24. 6. character_class
24. 6. 1. [:character_class:] represents a character class that matches all characters belonging to that class
24. 6. 2. '[[:alnum:]]' -- Alphanumeric characters
24. 6. 3. [[:alpha:]] -- Alphabetic characters
24. 6. 4. [[:blank:]] -- Whitespace characters
24. 6. 5. '[[:cntrl:]]' -- Control characters
24. 6. 6. '[[:digit:]]' -- Digit characters
24. 6. 7. '[[:graph:]]' -- Graphic characters
24. 6. 8. '[[:lower:]]' -- Lowercase alphabetic characters
24. 6. 9. '[[:print:]]' -- Graphic or space characters
24. 6. 10. '[[:punct:]]' -- Punctuation characters
24. 6. 11. '[[:space:]]' -- Space, tab, newline, and carriage return
24. 6. 12. '[[:upper:]]' -- Uppercase alphabetic characters
24. 6. 13. '[[:xdigit:]]' -- Hexadecimal digit characters
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