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我正在运行声纳,而 checkstyle 有一个像这样的正则表达式规则:
^[a-z][a-zA-Z0-9]*$
我想修改它,以便允许一个或多个下划线。我将如何改变这个?谢谢!
这些是字符类。
如果你想在任何地方允许下划线:
^[a-z_][a-zA-Z0-9_]*$
如果你想在除第一个字符之外的任何地方允许下划线:
^[a-z][a-zA-Z0-9_]*$
我已经rspec2安装了spork,guard当运行guard命令时,我得到这个错误:
rspec2
spork
guard
undefined method `generators' for #<RSpec::Core::Configuration:0x007fb39