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Python String title()

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[开发(python) 所属分类 开发(python) | 发布者 店小二05 | 时间 2019 | 作者 红领巾 ] 0人收藏点击收藏

Python String title()

python String title()

Python String title() function returns a title cased version of the string. The first character of the words are in Uppercase and all the remaining characters are in Lowercase.

Python String title()

This function doesn’t accept any argument. Let’s look at some examples of title() function.

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s = 'Python is Good!' print(s.title()) s = 'PYTHON IS GOOD' print(s.title())

Output:

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Python Is Good! Python Is Good

This function uses a simple language-independent definition of a word as groups of consecutive letters. So apostrophes (‘) is treated as a word boundary. Let’s see what happens when our string contains an apostrophe.

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s = "Let's go to Party" print(s.title())

Output: Let'S Go To Party

Most of the times we don’t want this to happen. We can use a regular expression to define a function to convert a string into title cased.

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import re def titlecase(s): return re.sub(r"[A-Za-z]+('[A-Za-z]+)?", lambda mo: mo.group(0)[0].upper() + mo.group(0)[1:].lower(), s) s = "Let's go to Party" print(titlecase(s)) print(titlecase('Python is Good!')) print(titlecase('PYTHON IS GOOD'))

Output:

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Let's Go To Party Python Is Good! Python Is Good

If you are not familiar with lambda expressions, please readlambda in Python.

You can checkout more Python examples from our GitHub Repository .

Official Documentation: title()

本文开发(python)相关术语:python基础教程 python多线程 web开发工程师 软件开发工程师 软件开发流程

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