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Is there a difference between /\s/g and /\s+/g?
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In the first regex, each space character is being replaced, character by character, with the empty string.
In the second regex, each contiguous string of space characters is being replaced with the empty string because of the +.
However, just like how 0 multiplied by...
StringBuilder vs String concatenation in toString() in Java
Given the 2 toString() implementations below, which one is preferred:
18 Answers
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Find and replace with sed in directory and sub directories
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edited Feb 19 '14 at 2:35
answered Jul 20 '11 at 8:55
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How to extract one column of a csv file
If I have a csv file, is there a quick bash way to print out the contents of only any single column? It is safe to assume that each row has the same number of columns, but each column's content would have different length.
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Convert floats to ints in Pandas?
I've been working with data imported from a CSV. Pandas changed some columns to float, so now the numbers in these columns get displayed as floating points! However, I need them to be displayed as integers, or, without comma. Is there a way to convert them to integers or not display the comma?
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sed one-liner to convert all uppercase to lowercase?
I have a textfile in which some words are printed in ALL CAPS. I want to be able to just convert everything in the textfile to lowercase, using sed . That means that the first sentence would then read, 'i have a textfile in which some words are printed in all caps.'
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Remove ALL white spaces from text
...t to add a class to an ID after getting another ID's text property. The problem with this, is the ID holding the text I need, contains gaps between the letters.
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HTML-encoding lost when attribute read from input field
...JavaScript to pull a value out from a hidden field and display it in a textbox. The value in the hidden field is encoded.
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jQuery removeClass wildcard
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Áxel Costas Pena
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answered Mar 3 '11 at 14:35
jimmystormigjimmystormig
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What to do Regular expression pattern doesn't match anywhere in string?
... for what you're trying to do regex is a perfectly valid solution. This is because you are NOT trying to match balanced tags-- THAT would be impossible with regex! But you are only matching what's in one tag, and that's perfectly regular.
Here's the problem, though. You can't do it with just one re...