The Unix Code

~ Collaboration Of Code and Processes
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regular expression to allow spaces between words

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I want a regular expression that prevents symbols and only allows letters and numbers. This regex works great but it doesn’t allow for spaces between words. ^[a-zA-Z0-9_]*$ For example, when using this regular expression “HelloWorld” is fine but “Hello World” does not match. How can I tweak it to allow spaces?

Published under: Linux, Scripting, Unix

Jul 25, 2015J Dawg
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Writing a tokenizer in Python

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I want to design a custom tokenizer module in Python that lets users specify what tokenizer(s) to use for the input. For instance, consider the following input: Q: What is a good way to achieve this? A: I am not so sure. I think I will use Python. I want to be able to provide […]

Published under: Programming, Python

Apr 21, 2013J Dawg