Gerald, It would be good if you gave a sample string and the result.
See here, https://tiddlywiki.com/prerelease/#Filter%20Operators Any filter can be used to do this, but the triple braces are quick and easy \define source-field() title <$set name=string value={{{ [all[current]get<source-field>] }}}> ;Is one or some of these what you want? :First Character = {{{ [<string>split[]first[]] }}} :Last Character = {{{ [<string>split[]last[]] }}} :Count = {{{ [<string>split[]count[]] }}} :Length = {{{ [<string>length[]] }}} ;This is what split does, notice it removes the spaces (but not with count) {{{ [<string>split[]] }}} </$set> Regards Tony On Friday, March 27, 2020 at 5:34:17 PM UTC+11, Gerald Weis wrote: > > hi all > > I have an new projekt where i need an general substringfunktion > > the makro should work at the pattern "fieldname" "starting characternumer > which should be extracted" "last charcternumber wich should extracted" > > the most used field is the field "title" of the current Tiddler. > but other fields of current tiddlers should be possible to for use. > > this substring must be printet in an other field as string. > > my skill ist not so good. > > > thanks for ideas > -- You received this message because you are subscribed to the Google Groups "TiddlyWiki" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/tiddlywiki/ecabcdd6-adaf-4871-9676-886e34987881%40googlegroups.com.
