Regular expressions

Regular expressions are operators that customize a search string. The product recognizes these regular expressions:

Regular expressions is useful in Find Text and Replace Text dialogs.

Operator	Meaning
.	match any character Note: this operator normally does not match separators, but a flag is // available that will allow this operator to match a separator
*	match zero or more of the last sub expression
+	match one or more of the last sub expression
?	match zero or one of the last sub expression
()	sub expression grouping
{m, n}	match at least m occurrences and up to n occurrences
{m}	match exactly m occurrences Note: in case {m, n} operator both values can be 0 (zero) or omitted which denotes an unlimited bound {,} and {0,} and {0, 0} corresponds to * {, 1} and {0, 1} corresponds to ? {1,} and {1, 0} corresponds to +
Literals
c	literal UCS2 character
\x....	hexadecimal number of up to 4 digits
\X....	hexadecimal number of up to 4 digits
\u....	number of up to 4 digits
\U....	number of up to 4 digits
\d	any decimal digit
\D	any character that is not a decimal digit
\s	any white space character
\S	any character that is not a white space character
\w	any "word" character
\W	any "non-word" character
Character classes
[...]	denotes a character class
[^...]	denotes a negated character class
\pN0,N1,..., Nn	Character properties class
\PN0,N1,..., Nn	Negated character properties class Note: character property classes are \p or \P (the latter denotes a negated property class) followed by a comma separated list of integers starting with 0.
:alnum: :alpha: :cntrl: :digit: :graph: :lower: :print: :punct: :space: :upper: :xdigit:	POSIX character classes. Character classes can contain literals, POSIX classes and/or character property classes. POSIX classes are delimited by :POSIX: Note: upper, lower and title case classes need to have case sensitive search enabled to match correctly.