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Example of keeping only words and words which have accents on a JS String
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| 'N,.ã_o)d-á'.replace(/([^A-zÀ-ÿ]|_)/g, '') | |
| // "Nãodá" | |
| // ( => starts a group | |
| // [^A-zÀ-ÿ]=> find only not words including with accents | |
| // |_ => or find _ literally | |
| // ) => ends a group | |
| // g => global - keep searching 'till the end |
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