a very simple & naive question:
why this is true?
new RegExp('^[a-z]+$', 'i').test('B')
apparently ‘B’ is out of [a-z]?
a very simple & naive question: why this is true? new RegExp(‘^[a-z]+$’, ‘i’).test(‘B’) apparently
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a very simple & naive question:
why this is true?
new RegExp('^[a-z]+$', 'i').test('B')
apparently ‘B’ is out of [a-z]?
Yes, but you have the
iparameter which tells the regex to ignore case.From the MDN documentation for RegEx: