Regular Expressions 101

Character Class[\t:]*

*matches any number of characters from the set below:

\ta tab character (ASCII 9)

:the literal : (58₁₀ / 72₈ / 3A₁₆)

Group 1(from (.*) |)

1st Alternativefrom (.*)

from the literal text from (case sensitive)

Group 2(.*)

.*any character (except for line terminators), repeated any number of times

the literal (32₁₀ / 40₈ / 20₁₆)

2nd Alternative — matches an empty string

import the literal text import (case sensitive)

Group 3(.*?)

.*?any character (except for line terminators), repeated any number of times

Character Class[\n]

\na line-feed (newline) character (ASCII 10)

Global pattern flags

g modifier: global. Finds all matches instead of stopping after the first

m modifier: multiline. Causes ^ and $ to match the start and end of each line, not only the start and end of the string

Detailed match information will be displayed here automatically.

Search reference

Regular Expression

[\t:]*(from (.*) |)import (.*?)[\n]

New

import os
from os import test
for i in range(50):import os
	import os
	for i in range(50):
		import os
	print("We are importing this new, import ajid.")

Regular Expression

Extraction