Welcome to OGeek Q&A Community for programmer and developer-Open, Learning and Share
Welcome To Ask or Share your Answers For Others

Categories

0 votes
210 views
in Technique[技术] by (71.8m points)

python - Remove repeating characters from words

I was wondering what is the best way to convert something like "haaaaapppppyyy" to "haappyy".

Basically, when parsing slang, people sometimes repeat characters for added emphasis.

I was wondering what the best way to do this is? Using set() doesn't work because the order of the letters is obviously important.

Any ideas? I'm using Python + nltk.

See Question&Answers more detail:os

与恶龙缠斗过久,自身亦成为恶龙;凝视深渊过久,深渊将回以凝视…
Welcome To Ask or Share your Answers For Others

1 Reply

0 votes
by (71.8m points)

It can be done using regular expressions:

>>> import re
>>> re.sub(r'(.)1+', r'11', "haaaaapppppyyy")     
'haappyy'

(.)1+ repleaces any character (.) followed by one or more of the same character (because of the backref 1 it must be the same) by twice the character.


与恶龙缠斗过久,自身亦成为恶龙;凝视深渊过久,深渊将回以凝视…
OGeek|极客中国-欢迎来到极客的世界,一个免费开放的程序员编程交流平台!开放,进步,分享!让技术改变生活,让极客改变未来! Welcome to OGeek Q&A Community for programmer and developer-Open, Learning and Share
Click Here to Ask a Question

...