regcmp(1) manual page
Table of Contents
regcmp - regular expression compile
regcmp [-] filename...
SUNWtoo
The regcmp command performs a function similar to regcmp
and, in most cases, precludes the need for calling regcmp from C programs.
Bypassing regcmp saves on both execution time and program size. The command
regcmp compiles the regular expressions in filename and places the output
in filename.i.
- -
- If the - option is used, the output is placed in filename.c.
The format of entries in filename is a name (C variable) followed by one
or more blanks followed by one or more regular expressions enclosed in
double quotes. The output of regcmp is C source code. Compiled regular expressions
are represented as extern char vectors. filename.i files may thus be #included
in C programs, or filename.c files may be compiled and later loaded. In the
C program that uses the regcmp output, regex(abc,line) applies the regular
expression named abc to line. Diagnostics are self-explanatory.
- name
- "([A-Za-z][A-Za-z0-9_]*)$0"
- telno
- "\({0,1}([2-9][01][1-9])$0\){0,1} *"
"([2-9][0-9]{2})$1[ -]{0,1}"
"([0-9]{4})$2"
The three arguments to telno shown above must all be entered
on one line.
In the C program that uses the regcmp output,
regex(telno,
line, area, exch, rest)
applies the regular expression named telno to line.
If any of the LC_*
variables ( LC_CTYPE, LC_MESSAGES, LC_TIME,
LC_COLLATE, LC_NUMERIC,
and LC_MONETARY
) (see environ(5)
) are not
set in the environment, the operational behavior of regcmp for each corresponding
locale category is determined by the value of the LANG
environment variable.
If LC_ALL
is set, its contents are used to override both the LANG
and
the other LC_*
variables. If none of the above variables is set in the
environment, the "C" (U.S. style) locale determines how regcmp behaves.
- LC_CTYPE
- Determines how regcmp handles characters. When LC_CTYPE
is set to a
valid value, regcmp can display and handle text and filenames containing
valid characters for that locale. regcmp can display and handle Extended
Unix Code (EUC) characters where any individual character can be 1, 2,
or 3 bytes wide. regcmp can also handle EUC characters of 1, 2, or more
column widths. In the "C" locale, only characters from ISO 8859-1 are valid.
- LC_MESSAGES
- Determines how diagnostic and informative messages are presented.
This includes the language and style of the messages, and the correct form
of affirmative and negative responses. In the "C" locale, the messages
are presented in the default form found in the program itself (in most
cases, U.S. English).
regcmp(3G)
, environ(5)
Table of Contents
![[Go to CFHT Home Page]](/images/cfht-icon.gif){kind=icon}
Man Pages 
Back to Software Index 
Manpage Top Level