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Python RegEx Special Sequences


Special Sequences

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 »