gsub « String « Ruby

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Ruby » String » gsub   1.  gsub does multiple substitutions at once 2.  gsub method that performs a global substitution (like a search and replace) upon the string 3.  use gsub to eradicate the spaces from text string 4.  Splitting Text into Sentences 5.  Testing Sentence Separation 6.  gsub (or gsub!) replaces a substring (first argument) with a replacement string (second argument) 7.  gsub alll with all 8.  gsub lll with ll 9.  Normalize Ruby source code by replacing tabs with spaces 10.  Transform Windows-style newlines to Unix-style newlines 11.  Use whitespace as the place holder 12.  "FOO bar".gsub(/foo/i, "The bar").gsub(/bar/m, "result") 13.  "Here is number #123".gsub(/[a-z]/i, "#").gsub(/#/, "P") 14.  gsub(/[^\d]+/, '').split(//)

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