Grouping uses parentheses to group a subexpression, like thi

2019-06-16 02:08栏目:技术创新
TAG:

opening = 'this is a testnthis is a test,n'
puts opening.grep(/t(h|i)s/)

版权声明:本文由新浦京娱乐站_新浦京娱乐场官网_新浦京娱乐发布于技术创新,转载请注明出处:Grouping uses parentheses to group a subexpression, like thi