What are anchors in regular expressions in C#?

Csharp Programming Server Side Programming

Anchors are constructs in regular expressions in C#. It allows a match to succeed or fail depending on the current position in the string. The following table lists the anchors.

Assertion	Description	Pattern	Matches
^	The match must start at the beginning of the string or line	^\d{3}	"567" in "567-777-"
$	The match must occur at the end of the string or before \nat the end of the line or string.	-\d{4}$	"-2012" in "8-12-2012"
\A	The match must occur at the start of the string.	\A\w{3}	"Code" in "Code-007-"
\Z	The match must occur at the end of the string or before \n at the end of the string.	-\d{3}\Z	"-007" in "Bond-901-007"
\z	The match must occur at the end of the string.	-\d{3}\z	"-333" in "-901-333"
\G	The match must occur at the point where the previous match ended.	\\G\(\d\)	"(1)", "(3)", "(5)" in "(1)(3)(5)[7](9)"
\b	The match must occur on a boundary between a \w(alphanumeric) and a \W(nonalphanumeric) character.	\w	"R", "o", "m" and "1" in "Room#1"
\B	The match must not occur on a \b boundary.	\Bend\w*\b	"ends", "ender" in "end sends endure lender"

Published on 18-Sep-2018 12:21:12

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