Python Liao Xuefeng Tutorial Learning Notes

Source: Internet
Author: User

How to describe a character with characters:

\d Matching digital digit

\w matches letters or numbers in Word

\s can match spaces space

* denotes any character, + denotes at least one character? Represents 0 or 1 characters, {n} represents n characters, and {n,m} represents n-m characters. can match any character

Example: Kongxiangyu


How do you make a more accurate match? Specify numbers, letters, or underscores

[0-9a-za-z\_] can match a number, letter, or underscore


^ denotes the beginning of a line

$ indicates the end of the line

Re module

Python's R prefix, which can be escaped without regard to the


Contact the use of wildcards in Excel tables

String \d{3}\-\{3-8} 010-21321

More precise match: [] indicates the range

Python Liao Xuefeng Tutorial Learning Notes

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