06-30-2011
What is the difference between single line mode and multiline mode in Regular expressions?
Hi All,
Can please let me know what is the difference between the single line mode and multi line mode in regular expresions?
Thanks,
Chidhambaram B
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ul(1) General Commands Manual ul(1)
NAME
ul - do underlining
SYNOPSIS
terminal] [name ...]
DESCRIPTION
reads the named files (or standard input if none are given) and translates occurrences of underscores to the sequence which indicates
underlining for the terminal in use, as specified by the environment variable The option overrides the terminal type specified in the envi-
ronment. The terminfo(4) file corresponding to is read to determine the appropriate sequences for underlining. If the terminal is inca-
pable of underlining, but is capable of a standout mode, the standout mode is used instead. If the terminal can overstrike, or handles
underlining automatically, degenerates to If the terminal cannot underline, underlining is ignored.
The option causes to indicate underlining onto by a separate line containing appropriate dashes this is useful when you want to look at the
underlining present in an output stream on a CRT terminal.
EXTERNAL INFLUENCES
International Code Set Support
Single- and multi-byte character code sets are supported with the exception that multi-byte-character file names are not supported.
WARNINGS
usually outputs a series of backspaces and underlines intermixed with the text to indicate underlining. No attempt is made to optimize the
backward motion.
AUTHOR
was developed by the University of California, Berkeley.
FILES
terminal capability files
SEE ALSO
col(1), man(1), nroff(1).
ul(1)