Prepare > Regex > Introduction > Matching Start & End

Matching Start & End | HackerRank

 

문제

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Task

You have a test string S. Your task is to match the pattern Xxxxx.
Here, x denotes a word character, and X denotes a digit.
S must start with a digit X and end with . symbol.
S should be 6 characters long only.

 

 

 

 

코드

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Regex_Pattern = r"^\d\w{4}\.$"	# Do not delete 'r'.

import re

print(str(bool(re.search(Regex_Pattern, input()))).lower())

 

 

 

 

노트

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^

The ^ symbol matches the position at the start of a string.

 

 

$

The $ symbol matches the position at the end of a string.

 

 

\d

• 숫자를 의미하는 정규표현식
• [0-9]

 

 

\w

• 알파벳, 숫자, 언더바 를 의미하는 정규표현식
• [a-zA-Z0-9_]