Regular expressions: Difference between revisions
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m (→{{header|Ruby}}: use lang tag) |
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=={{header|Ruby}}== |
=={{header|Ruby}}== |
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Test |
Test |
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string="I am a string" |
<lang ruby> string="I am a string" |
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puts "Ends with 'string'" if string[/string$/] |
puts "Ends with 'string'" if string[/string$/] |
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puts "Does not start with 'You'" if !string[/^You/] |
puts "Does not start with 'You'" if !string[/^You/]</lang> |
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Substitute |
Substitute |
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puts string.gsub(/ a /,' another ') |
<lang ruby> puts string.gsub(/ a /,' another ') |
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#or |
#or |
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string[/ a /]='another' |
string[/ a /]='another' |
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puts string |
puts string</lang> |
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Substitute using block |
Substitute using block |
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puts(string.gsub(/\bam\b/) do |match| |
<lang ruby> puts(string.gsub(/\bam\b/) do |match| |
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puts "I found #{match}" |
puts "I found #{match}" |
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#place "was" instead of the match |
#place "was" instead of the match |
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"was" |
"was" |
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end) |
end)</lang> |
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=={{header|Slate}}== |
=={{header|Slate}}== |
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