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Remove all non numeric characters
Ruby
by
Sergey Blohin
23rd March 2017
1
'42foo43bar'.gsub /[^0-9]/, '' # > '4243'
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
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You can use [html][/html], [css][/css], [php][/php] and more to embed the code. Urls are automatically hyperlinked. Line breaks and paragraphs are automatically generated.