October 2012
346 pages
7h 40m
English
Content preview from Practical Vim
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| Tip 75 | Use Parentheses to Capture Submatches |
When specifying a pattern, we can capture submatches and then reference them elsewhere. This feature is especially useful in combination with the substitute command, but it can also be used to define patterns where a word is repeated.
Take this excerpt of text:
| patterns/springtime.txt | |
| | I love Paris in the |
| | the springtime. |
Can you spot the grammatical error? It’s surprisingly hard to see because of a trick that our mind plays on us, but it should pop out with emphasis: “Paris in the the springtime.” When a line break separates two occurrences of the same word, our brain tends to ignore the duplicate. The effect is called a lexical illusion.[20]
Here’s a regular expression that matches duplicate ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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