🔰alternation (or)

🚧 under construction

JS ⟩ value ⟩ object ⟩ regex ⟩ pattern ⟩ alternation (or)

regex        matches
--------------------------
b(a|e|i)d    bad bed bid

(?(test)true)	        // If positive lookahead test matches, match true regex
(?(test)true|false)	// As above, otherwise match false regex
(?(capture)true)	// If capture (name or number) contains text, match true regex
(?(capture)true|false)	// As above, otherwise match false regex
(a|e|i)        // = [aei]

// quoting style: single (') -> double (")
let text = "'I'm the cook,' he said, 'it's my job.'";
text.replace(/(^|\W)'|'(\W|$)/g, '$1"$2'));
//            ╰─1──╯   ╰─2──╯ 
//  ⭐️ Groups that are not matched will be replaced by nothing.
// → "I'm the cook," he said, "it's my job."
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