论坛 › Perl › Perl Learning - 14 (Catch var, (:?), (:), \g{LABLE}, {m,n}

骞没蕴 发表于 2018-8-31 09:57:08

Perl Learning - 14 (Catch var, (:?), (:), \g{LABLE}, {m,n}

PattenExamples　　()   (...) (?:...) (?...)
　　* + ? {} a* a+ a? a{m,n}
　　^ $   abc ^aa$
　　|   a|b|c
　　elementa \d\1

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