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I'm trying to check matches given string to the pattern.
Input may look like this: 3256-10wyput
So we've used this pattern [0-9]{4}\-[0-9a-z]{7}
I want to prepare an if statement which checks does input suit to my regex.
Pseudo code looks like that:
if regex in string:
return True
How it should look like?
Thanks for advices.
B.
You want to do a check with the re.match() function:
import re
if re.match('[0-9]{4}-[0-9a-z]{7}', '3256-10wyput'):
return True
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I'm trying to ignore the first \ in a string in a continuous sequence by using regex. So that when there is only \, we will not match it. When there are two \\, we only match one \.
For example:
I got:
{\"url\":\"http:\\/\\/p1.pstatp.com\\/origin\\/tuchong.fullscreen\\/29016715_tt\"}
what regex I can use to make it become:
{"url":"http:\/\/p1.pstatp.com\/origin\/tuchong.fullscreen\/29016715_tt"}
How to make this happen?
This regex should suit your needs :
(?<!\\)\\
See this demo here.
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I have to remove this: ® Character from a string in Python.
Whole string is:
'Rainbow® Super Value Construction Paper, 12" x 18", Assorted Colors, Pack Of 100'
There is a translate method to deal with unwanted characters, but probably
string.replace('®', '')
is easier to write.
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I'm looking to find out how to write the code to see how many values a key has in a dictionary.
For example, I'm doing a small survey on a class to see the colour of eyes, I make a dictionary and put all of their names into the dictionary as strings as values. How do i find out how many people have each colour eyes?
survey = {'blue' : ['Kyle', 'Josh', 'Michael']}
len(survey['blue'])
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For example, input USA, output America. Is that such module? I use it for Natural Language Processing.
Get NLTK module: http://nltk.org/install.html
import corpus:http://nltk.org/data.html
Play arround:
>>> from nltk.corpus import wordnet as wn
>>> wn.synsets('USA')
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I have a number on int format, but I want that the same algarisms make a binary number
so I could make binary operations with that number, how can I do that?
number = 1010111
Python includes the builtin function bin() to do this.
However, this just creates a string of the binary representation. This is completely unnecessary to do any sort of "binary operations" on a number, which can all be done on a normal int.
use the builtin function bin() to output in binary and the 0b1010111 format for input.