Ruby速查 -- 匹配/查找字符串

 

ruby 代码

/\d\d:\d\d:\d\d/     # a time such as 12:34:56
/Perl.*Python/       # Perl, zero or more other chars, then Python
/Perl Python/        # Perl, a space, and Python
/Perl *Python/       # Perl, zero or more spaces, and Python
/Perl +Python/       # Perl, one or more spaces, and Python
/Perl\s+Python/      # Perl, whitespace characters, then Python
/Ruby (Perl|Python)/ # Ruby, a space, and either Perl or Python

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