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diacritic case insensitive regex

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3oly answered on March 27, 2020 Popularity 10/10 Helpfulness 1/10

answer diacritic case insensitive regex

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diacritic case insensitive regex

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In order to query a given database, you need to search string with insensitive option and accepting diacritic. You could proceed this way :

const myMongooseQuery =  {$regex: this._diacriticSensitiveRegex(valueMatch), '$options' : 'i'};

# having this function defined in you code
  // credit : https://stackoverflow.com/questions/36647244/mongodb-how-to-find-documents-ignoring-case-sensitive-accents-and-percent-like
  _diacriticSensitiveRegex(string = '') {
         return string
            .replace(/a/g, '[a,á,à,ä,â]')
            .replace(/A/g, '[A,a,á,à,ä,â]')
            .replace(/e/g, '[e,é,ë,è]')
            .replace(/E/g, '[E,e,é,ë,è]')
            .replace(/i/g, '[i,í,ï,ì]')
            .replace(/I/g, '[I,i,í,ï,ì]')
            .replace(/o/g, '[o,ó,ö,ò]')
            .replace(/O/g, '[O,o,ó,ö,ò]')
            .replace(/u/g, '[u,ü,ú,ù]')
            .replace(/U/g, '[U,u,ü,ú,ù]');
  }

Popularity 10/10 Helpfulness 1/10 Language javascript

Source: Grepper

Tags: case-insensitive javascript mongoose regex

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Contributed on Jan 11 2023

3oly

0 Answers Avg Quality 2/10

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regex case insensitive

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regex case insensitiveregex case insensitiveregex case insensitiveregex case insensitive

(?i) case-insensitive mode ON    
(?-i) case-insensitive mode OFF


Modern regex flavors allow you to apply modifiers to only part of the regular expression. 
If you insert the modifier (?im) in the middle of the regex then the modifier only applies 
to the part of the regex to the right of the modifier. With these flavors, you can turn off 
modes by preceding them with a minus sign (?-i).

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Tags: case-insensitive case

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Contributed on Jan 13 2023

Adventurous Addax

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regex string case insensitive

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(?i)(STRING_TO_CHECK)

Popularity 10/10 Helpfulness 5/10 Language javascript

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Tags: case-insensitive case

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Contributed on Mar 27 2020

Drakonkat

0 Answers Avg Quality 2/10

diacritic case insensitive regex

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diacritic case insensitive regex

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