with the (probably useless) \w-\w clause removed, making the regex: /\A([-:,\;#%.\(\)\/\sa-zA-Z0-9!]|\'[\s\w]+\'|\"[\s\w]+\"|\([\d,\s]+\))*\z/
>> Benchmark.measure{ Sanitize.clean(<<TEXT, WikiPage.fully_sanitize_fields_config[:body]) }
| <span lang="EN" style="font-family: 'Times New Roman','serif'; color: #17375e; font-size: 12pt; mso-fareast-font-family: 'Times New Roman'; mso-themecolor: text2; mso-themeshade: 191; mso-style-textfill-fill-color: #17375E; mso-style-textfill-fill-themecolor: text2; mso-style-textfill-fill-alpha: 100.0%; mso-ansi-language: EN; mso-style-textfill-fill-colortransforms: lumm=75000"><p></p></span>
| TEXT
=> 0.000000 0.000000 0.000000 ( 0.003236)