|-
| width='120' | '''Signatures'''
|{{Func|ft:search|$db as xs:string, $terms as item()*|text()*}}<br/>{{Func|ft:search|$db as xs:string, $terms as item()*, $options as map(xs:string, item()*)?|text()*}}
|-
| '''Summary'''
|-
| width='120' | '''Signatures'''
|{{Func|ft:contains|$input as item()*, $terms as item()*|xs:boolean}}<br/>{{Func|ft:contains|$input as item()*, $terms as item()*, $options as map(xs:xstring, item()*)?|xs:boolean}}
|-
| '''Summary'''
|-
| width='120' | '''Signatures'''
|{{Func|ft:tokenize|$input as xs:string|xs:string*}}<br/>{{Func|ft:tokenize|$input as xs:string, $options as map(xs:xstring, item()*)?|xs:string*}}
|-
| '''Summary'''
|-
| width='120' | '''Signatures'''
|{{Func|ft:normalize|$input as xs:string|xs:string*}}<br/>{{Func|ft:normalize|$input as xs:string, $options as map(xs:xstring, item()*)?|xs:string*}}
|-
| '''Summary'''