HTML tutorial
CSS3 tutorial
Bootstrap tutorial
JavaScript tutorial
JQuery tutorial
AngularJS tutorial
React tutorial
NodeJS tutorial
PHP tutorial
Python tutorial
Python3 tutorial
Django tutorial
Linux tutorial
Docker tutorial
Ruby tutorial
Java tutorial
C tutorial
C ++ tutorial
Perl tutorial
JSP tutorial
Lua tutorial
Scala tutorial
Go tutorial
ASP.NET tutorial
C # tutorial
A special sequence is a \
followed by one of the characters in the list below, and has a special meaning:
Character | Description | Example | Try it |
---|---|---|---|
\A | Returns a match if the specified characters are at the beginning of the string | "\AThe" | Try it » |
\b | Returns a match where the specified characters are at the beginning or at the end of a word | r"\bain" r"ain\b" |
Try it » Try it » |
\B | Returns a match where the specified characters are present, but NOT at the beginning (or at the end) of a word | r"\Bain" r"ain\B" |
Try it » Try it » |
\d | Returns a match where the string contains digits (numbers from 0-9) | "\d" | Try it » |
\D | Returns a match where the string DOES NOT contain digits | "\D" | Try it » |
\s | Returns a match where the string contains a white space character | "\s" | Try it » |
\S | Returns a match where the string DOES NOT contain a white space character | "\S" | Try it » |
\w | Returns a match where the string contains any word characters (characters from a to Z, digits from 0-9, and the underscore _ character) | "\w" | Try it » |
\W | Returns a match where the string DOES NOT contain any word characters | "\W" | Try it » |
\Z | Returns a match if the specified characters are at the end of the string | "Spain\Z" | Try it » |