Maybe this is a stackoverflow question and I don’t understand what gsub does~~, but this looks like bizarre ruby behavior that I wonder if it could somehow be the ruby image?~~ I get the same results in irb on my local machine. I thought this might be some behavior of dup that I wasn’t understandin…

Variables like $1 are populated after a regex match is performed. Simplifying your example a little: s.gsub('original(value)', "replacement#{$1}") The "replacement#{$1}" expression is evaluated before the gsub function is called. So $1 will be leftover from some previous regex task. (That’s why yo…

Here’s a simpler oddity. This version has gsub not working on the first run, but working on the second: [1] pry(main)> s=%(<p>On Android, click the three-dot icon in the upper right corner and select Relations from the popup menu. This function wasn't working for me until yesterday, so perhaps on A…

[Bild] david: So $1 will be leftover from some previous regex task. OMG. Thank you. I thought I was going crazy. [Bild] david: My preference would be to pass a block to gsub. The block is evaluated after the regex has been matched, so $1 will work as you expect Brilliant. [Bild] d…

Gsub liefert unterschiedliche Ergebnisse bei der Ausführung desselben Codes

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pfaffman (Jay Pfaffman) 17. September 2021 um 20:47 4

OMG. Danke. Ich dachte, ich würde verrückt werden.

Genial.

Ich habe mich schon immer über diese Backslashes gewundert. Fünf Jahre später verstehe ich es.

Das war definitiv eine Frage für Stack Exchange.

Ein Millionen Dankeschön.

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Gsub liefert unterschiedliche Ergebnisse bei der Ausführung desselben Codes

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