Adobe InDesign - Manual (Page 320)

uppercase letter
* Any lowercase letter \l
* Any character that is not a
lowercase letter \L
^ All Found Text $0
Found Text 1-9 $1 (specifies the number of the
grouping found, such as $3 for the
third grouping; groupings are enclosed
in parentheses)
* Kanji ^K ~K
* Beginning of Word \<
* End of Word \>
* Word Boundary \b
* Opposite of Word Boundary \B
* Beginning of Paragraph ^
* End of Paragraph [location] $
* Zero or One Time ?
* Zero or More Times *
* One or More Times +
* Zero or One Time (Shortest Match) ??
* Zero or More Times (Shortest Match) *?
* One or More Times (Shortest Match) +?
* Marking Subexpression ( )
* Non-marking Subexpression (?: )
* Character Set [ ]
* Or |
* Positive Lookbehind (?<= )
* Negative Lookbehind (?
* Positive Lookahead (?= )
* Negative Lookahead (?! )
* Case-insensitive On (?i)
* Case-insensitive Off (?-i)
* Multiline On (?m)
* Multiline Off (?-m)
* Single-line On (?s)
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