| Examples: |
| platte | Search keywords (full text and metadata) for 'platte' |
| north platte | Search keywords for 'north' AND 'platte' |
| "north platte" | Search keywords for the phrase 'north platte' |
| platt* | Search keywords for the string 'platt' followed by 0 or more characters |
| platt? | Search keywords for the string 'platt' followed by a single character |
