Regex Escape Sequences

\. # literal dot
\* # literal asterisk
\+ # literal plus
\? # literal question mark
\[ # literal bracket
\] # literal bracket
\( # literal parenthesis
\) # literal parenthesis
\{ # literal brace
\} # literal brace

\t # tab
\n # newline
\r # carriage return
\f # form feed
\v # vertical tab

\\ # literal backslash
\| # literal pipe
\^ # literal caret
\$ # literal dollar sign