| [[:alnum:]] | letters and digits | |
| [[:alpha:]] | letters | |
| [[:blank:]] | space and tab characters | |
| [[:cntrl:]] | control characters | |
| [[:digit:]] | decimal digits | |
| [[:graph:]] | printable characters excluding space | |
| [[:lower:]] | lowercase letters (all letters when 'ignorecase' is used) | |
| [[:print:]] | printable characters including space | |
| [[:punct:]] | punctuation characters | |
| [[:space:]] | whitespace characters | |
| [[:upper:]] | uppercase letters (all letters when 'ignorecase' is used) | |
| [[:xdigit:]] | hexadecimal digits | |
| [[:return:]] | the <CR> character | |
| [[:tab:]] | the <Tab> character | |
| [[:escape:]] | the <Esc> character | |
| [[:backspace:]] | the <BS> character |
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| Copyright (C) 2001 by Steve Litt, you can freely distribute
unmodified copies if this copyright notice and disclaimer are intact.
This material originally appeared on Troubleshooters.Com.
This presentation has no warrantee, express or implied, including,
but not limited to, the implied warranties of merchantability and fitness
for a particular purpose. The entire risk as to the quality and performance
of the presentation is with you. Neither the author nor those who show
the slideshow are responsible for any damage caused by errors, omissions,
or anything else relating to this slideshow.
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