abhinavkorpal · July 21, 2017 06:38
diff --git a/Backslash Character and Special Expressions b/Backslash Character and Special Expressions
 ‘\b’ Match the empty string at the edge of a word.
 ‘\B’ Match the empty string provided it’s not at the edge of a word.
 ‘\<’ Match the empty string at the beginning of word.
 ‘\>’ Match the empty string at the end of word.
 ‘\w’ Match word constituent, it is a synonym for ‘[_[:alnum:]]’.
 ‘\W’ Match non-word constituent, it is a synonym for ‘[^_[:alnum:]]’.
 ‘\s’ Match whitespace, it is a synonym for ‘[[:space:]]’.
 ‘\S’ Match non-whitespace, it is a synonym for ‘[^[:space:]]’.
	‘\b’ Match the empty string at the edge of a word.
	‘\B’ Match the empty string provided it’s not at the edge of a word.
	‘\<’ Match the empty string at the beginning of word.
	‘\>’ Match the empty string at the end of word.
	‘\w’ Match word constituent, it is a synonym for ‘[_[:alnum:]]’.
	‘\W’ Match non-word constituent, it is a synonym for ‘[^_[:alnum:]]’.
	‘\s’ Match whitespace, it is a synonym for ‘[[:space:]]’.
	‘\S’ Match non-whitespace, it is a synonym for ‘[^[:space:]]’.