| author | Christian Urban <urbanc@in.tum.de> |
| Sun, 21 Aug 2016 18:15:53 +0200 | |
| changeset 411 | 1aec0e1fda86 |
| parent 226 | progs/re.rb@e3c454e31224 |
| child 420 | 25bc57b32efa |
| permissions | -rw-r--r-- |
| 58 | 1 |
# provided by Daniel Baldwin |
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226
e3c454e31224
updated so that it works with more recent versions of Ruby
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
121
diff
changeset
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nums = (1..1000) |
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#iterate through the nums 1-100 |
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nums.each do |i| |
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start_time = Time.now |
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string = "a" * i |
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226
e3c454e31224
updated so that it works with more recent versions of Ruby
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
121
diff
changeset
|
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re_str = "a?" * i + "+" + "a" * i |
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#create a new regular expression based on current value of i |
|
226
e3c454e31224
updated so that it works with more recent versions of Ruby
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
121
diff
changeset
|
12 |
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e3c454e31224
updated so that it works with more recent versions of Ruby
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
121
diff
changeset
|
13 |
re = Regexp.new(re_str) |
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re.match(string) |
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#if re.match(string) |
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# puts "matched string a * #{i} with regex #{re}"
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#else |
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# puts "unmatched string a * #{i} with regex #{re}"
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#end |
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puts "#{i} %.5f" % (Time.now - start_time)
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end |