Watson fad58ef436 Use String#match? instead of String#=~ to reduce allocation for backreferecne ...

## Test code
```ruby
require 'benchmark/ips'

WhitespaceOrNothing = /\A\s*\z/
token = " " * 20
token =~ WhitespaceOrNothing

Benchmark.ips do |x|
  x.report("=~") {
    token =~ WhitespaceOrNothing
  }
  x.report("match?") {
    token.match?(WhitespaceOrNothing)
  }

  x.compare!
end
```

## Result
```
Warming up --------------------------------------
                  =~   271.356k i/100ms
              match?   579.655k i/100ms
Calculating -------------------------------------
                  =~      2.717M (± 0.4%) i/s -     13.839M in   5.092947s
              match?      5.695M (± 1.6%) i/s -     28.983M in   5.090640s

Comparison:
              match?:  5694747.3 i/s
                  =~:  2717370.9 i/s - 2.10x  (± 0.00) slower
```

2022-03-16 12:44:27 +09:00

..

liquid

Use String#match? instead of String#=~ to reduce allocation for backreferecne

2022-03-16 12:44:27 +09:00

liquid.rb

Eagerly cache global filters

2022-03-01 13:40:40 +01:00