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Brief Regular Expression Definition
char. The predefined expressions are:
• \:a [A-Za-z0-9 - Matches an alphanumeric char-
acter.
• \:b\([ \t]#\) - Matches blanks.
• \:c [A-Za-z] - Matches an alphabetic character.
• \:d [0-9] - Matches a digit.
• \:f \([~\[\]\:\\/<>|=+;, \t"’]#\) - Matches a file name
part.
• \:f \([~/ \t"’]#\) - UNIX: Matches a file name part.
• \:h\([0-9A-Fa-f]#\) - Matches a hex number.
• \:i\([0-9]#\) - Matches an integer.
• \:n\([0-9]#\(.[0-9]#|\)|.[0-9]#\)\([Ee]\(\+|-|\)[0-9]#|\)
\) - Matches a floating number.
• \:p\(\([A-Za-z]\:|\)\(\\|/|\)\(:f\(\\|/\)\)@:f\) - Windows:
Matches a path.
• \:p\(\(/|\)\(:f\(/\)\)@:f\) - UNIX: Matches a path.
• \:q\(\"[~\"]@\"|'[~']@'\) - Matches a quoted string.
• \:v\ ([A-Za-z_$][A-Za-z0-9_$]@\) - Matches a C
variable.
• \:w\ ([A-Za-z]#\) - Matches a word.
Brief Regular Expression Examples
The table below shows example of Brief regular expressions.
Table 11.17. Brief Regular Expression Examples
Sample Brief Regular Expression Description
<defproc Matches lines that begin with the word defproc.
<definit> Matches lines that only contain the word definit.
<\*name Matches lines that begin with the string *name. No-
Brief Regular Expressions
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