Editplus Regular Expression replacement

Editplus supports following regular expressions in find, replace and find in files command.

Expression	Description
/T	Tab character.
/N	New Line.
.	Matches any character.
|	Either expression on its left and right side matches the target string. For example, "A | B" matches "A" and "B ".
[]	Any of the enclosed characters may match the target character. For example, "[AB]" matches "A" and "B". "[0-9]" matches any digit.
[^]	None of the enclosed characters may match the target character. for example, "[^ AB]" matches all character t "A" and "B ". "[^ 0-9]" matches any non-digit character.
*	Character to the left of Asterisk In the expression shocould match 0 or more times. For example "be *" matches "B", "be" and "Bee ".
+	Character to the left of plus sign in the expression shocould match 1 or more times. For example "Be +" matches "be" and "Bee" but not "B ".
?	Character to the left of question mark in the expression shocould match 0 or 1 time. For example "be? "Matches" B "and" be "but not" Bee ".
^	Expression to the right of ^ matches only when it is at the beginning of line. For example "^ A" matches an "A" that is only at the beginning of line.
$	Expression to the left of $ matches only when it is at the end of line. For example "e $" matches an "E" that is only at the end of line.
()	Affects evaluation order of expression and also used for tagged expression.
/	Escape Character. If you want to use character "/" itself, you shoshould use "//".

The tagged expression is enclosed (). tagged expressions can be referenced by/0,/1,/2,/3, etc. /0 indicates a tagged expression representing the entire substring that was matched. /1 indicates the first tagged expression,/2 is the second, etc. see following examples.

Original search replace result
ABC (AB) (C)/0-/1-/2 ABC-AB-C
Abc a (B) (c)/0-/1-/2 ABC-B-c
ABC (a) B (C)/0-/1-/2 ABC-a-c

From editplus manual help