Question in Regular question
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+? means at least one, at most as many as needed to complete the match*? means at least zero, at most as many as needed to complete the match{n} means exactly n{n}? doesn't make sense{n,} means will...
View ArticleQuestion in Regular question
I have some question in regular expression.1. +? == {1} 2. *? == {0} == ?? 3. {n} == {n}? == {n,}? == {n,m}?As when you put the "?" char after chars(*,+,?,{n},{n,},{n,m}), the match pattern will be...
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