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Versions: 10
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Stored size: 1.15 KB
Contents
describe "String#=~" do
it "sets $~ to MatchData when there is a match and nil then there's none" do
'hello' =~ /(l)(l)/
$~.should be_kind_of(MatchData)
$~[0].should == "ll"
$~.captures.should == ["l", "l"]
$~.pre_match.should == "he"
$`.should == "he"
$~.post_match.should == "o"
$'.should == "o"
'hello' =~ /not/
$~.should == nil
$`.should == nil
$'.should == nil
end
end
describe "String#match" do
it "matches the pattern against self" do
'hello'.match(/(.)\1/)[0].should == "ll"
end
it "returns nil if there's no match" do
'hello'.match('xx').should == nil
end
it "sets $~ to MatchData of match or nil when there is none" do
'hello'.match(/./)
$~[0].should == 'h'
'hello'.match(/X/)
$~.should == nil
end
it "sets $` to pre_match and $' to post_match or nil when there is no match" do
result = 'hello'.match(/ll/)
$`.should == 'he'
$'.should == 'o'
result.pre_match.should == 'he'
result.post_match.should == 'o'
'hello'.match(/X/)
$`.should == nil
$'.should == nil
result.pre_match.should == 'he'
result.post_match.should == 'o'
end
end
Version data entries
10 entries across 10 versions & 1 rubygems