Boundaries

In the following table, you can find the patterns for boundaries, which will tell the Regex what position to do the matching in.

Pattern	Description	Example
^	This matches the beginning of an input. If the multiline flag is set to true, it also matches immediately after the (\n) line break character.	/^ The/ matches "The" in "The stars", but not "In The stars".
$	This matches the end of an input. If the multiline flag is set to true, it also matches immediately before the (\n) line break character.	/and$/ matches "and" in "land", but not "and the bar".
\b	This matches any word boundary (test characters must exist at the beginning or at the end of a word within the string).	/va\b/ matches "va" in "this is a java script book", but not "this is a javascript book".
\B	This matches any non-word boundary.	/va\B/ matches "va" in "this is a JavaScript book...