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Regular Search Expressions


2007-07-24 Digg! icurtain Delcious icurtain
  • POSIX class
  • [:upper:]
  • [:lower:]
  • [:alpha:]
  • [:alnum:]
  • [:digit:]
  • [:xdigit:]
  • [:punct:]
  • [:blank:]
  • [:space:]
  • [:cntrl:]
  • [:graph:]
  • [:print:]
  • similar to
  • [A-Z]
  • [a-z]
  • [A-Za-z]
  • [A-Za-z0-9]
  • [0-9]
  • [0-9A-Fa-f]
  • [!"#$%&'()*+,-./:;<=>?@[\]^_`{|}~]
  • [ \t]
  • [ \t\n\r\f\v]
  • [ ]
  • [^\t\n\r\f\v]
  • [^ \t\n\r\f\v]
  • meaning
  • uppercase
  • lowercase
  • upper and lowercase
  • digits, upper and lowercase
  • digits
  • hexadecimal digits
  • punctuation
  • space and TAB chars only
  • blank (whitespace) chars
  • control chars
  • printed chars
  • printed chars and space