Python Regular Expression Learning notes (continuously replenished)

Regular expressions are patterns that can match text fragments.

1. Common wildcard characters

. Match any character (except line break)

\w match letters or numbers or underscores or kanji

\s matches any whitespace character

\d Matching

.	Match any character (except line break)
\w	Match letters or numbers or underscores or kanji
\s	Match any of the whitespace characters
\d	Match numbers
\b	Match the beginning or end of a word
^	Match the start of a string
$	Match string End

Python Regular Expression Learning notes (continuously replenished)