The following characters are accessible from the Value field of the Define Filter dialog when the condition is set to regexp match.
Matches the beginning of a line, for example, ^Where is matches "Where is my computer" but not "Where on earth is my computer."
Matches the end of a line, for example, procedure$ matches the end of the string "Use that procedure" but not "Use those procedures."
Example: [0-2][0-9]$ matches strings ending with numerals in the range 00-29.
Matches any single character.
Example: a.b matches any three-character string which begins with "a" and ends with "b."
Matches any character in the range (specified by using a hyphen).
Example 1: [0-9] matches any digit, whereas [a-zA-Z] matches any lowercase or uppercase letter.
Example 2: [b-n]ut matches "but," "cut," "hut," "jut," and "nut," but not "put."
Matches any character except those in the range, that is, it matches the complement range.
Example: [^0-9] matches any character except the digits.
Matches zero or more occurrences of the character immediately before the *.
Example 1: t* matches any sequence that is a back-to-back series of 0 or more occurrences each matched by t, that is, (empty), "t," "tt," "ttt," and so on.
Example 2: ab*c matches "ac," "abc," "abbc," "abbbbc," and so on.
Example 3: .* matches any number of any characters.
Matches one or more occurrences of the character or regular expression immediately before the +.
Example 1: a+ matches, for example, "a, "aa, "aaa."
Example 2: (is)+ matches "is," "crisis," and so on.
Matches zero or one occurrence of the character or regular expression immediately before the ?.
Example 1: wi?n matches the strings "wn" or "win."
Example 2: w.?n matches, for example, the strings "wn," "win," "won," "w7n."
Matches any of the characters between the brackets.
Example: b[aiu]t matches "bat," "bit" or "but," but not "bet."
Matches the complemented character set of the characters between the brackets.
Example: b[^012345678]t matches "b9t," "bat," "bit," "bet," "but" and so on. See also [^c1-c2].
Matches either condition (logical OR).
Example: Fixed disk drive C|D: matches "Fixed disk drive C:" and it matches "Fixed disk drive D:" but it does not match "Fixed disk drive E:".
|
Copyright © 2014 CA Technologies.
All rights reserved.
|
|