# example1: listCount('rule your city ','city') returns 1 # info: returns number of items with searchString (optional: leading or trailing * are used as wildcard) Substring(stringList,find(stringList,' ',index1-1)+1,find(listClean(stringList),' ',index2-1)) Substring(listClean(stringList),find(stringList,' ',index1-1)+1,len(listClean(stringList))) # example: listItem('rule your city ',2) returns 'city'Д¬ase index = index2 || index1 >= listSize(stringList): # info: returns item at given index (without ' ') # example: listFirst('rule your city ') returns 'rule' # example3: listIndex('rule your city ','*y*') returns 1Д¬ase findFirst(searchString,'*') = 0 & findLast(searchString,'*') = len(searchString)-1 & count(stringList,substring(searchString,1,len(searchString)-1)) > 0: # leading AND trailing *Д¬ount(getPrefix(stringList,substring(searchString,1,len(searchString)-1)),' ')Д¬ase findFirst(searchString,'*') = 0 & count(stringList,substring(searchString,1,len(searchString))+' ') > 0: # leading *Д¬ount(getPrefix(stringList,substring(searchString,1,len(searchString))+' '),' ')Д¬ase findLast(searchString,'*') = len(searchString)-1 & count(' '+stringList,' '+substring(searchString,0,len(searchString)-1)) > 0: # trailing *Д¬ount(getPrefix(' '+stringList,' '+substring(searchString,0,len(searchString)-1)),' ')Д¬ase count(' '+stringList,' '+searchString+' ') > 0: # exact matchД¬ount(getPrefix(' '+stringList,' '+searchString+' '),' ') # example2: listIndex('rule your city ','*y') returns 2 # example1: listIndex('rule your city ','city') returns 2 # info: returns index of first item with searchString (optional: leading or trailing * are used as wildcard) # example: listSize('cityengine rules ') returns 2 # info: returns number of elements of list ListClean(replace(stringList,' ',' ')) # recursively remove other empty itemsД¬ase stringList = '' || findLast(stringList,' ') = len(stringList)-1: ListClean(substring(stringList,1,len(stringList))) # recursively remove empty items at the beginning # example2: listClean(' cityengine rules') returns 'cityengine rules ' # example1: listClean(' my city rules your city ') returns 'my city rules your city ' # info: returns cleaned stringList (removes empty items and checks if seperator ' ' at the end)

# a string list is a string with ' '-seperated entries (as returned by the builtin function 'fileSearch') GetPrefix(inputString,oldString) + newString + replace(substring(inputString,findFirst(inputString,oldString)+len(oldString),len(inputString)),oldString,newString) Replace(inputString,oldString,newString) = # example: replace('rule your city with cityengine','your city','designs') returns 'rule designs with cityengine' Substring(inputString,0,findLast(inputString,rmatchString)) Substring(inputString,findFirst(inputString,lmatchString)+len(lmatchString),len(inputString))Д¬ase count(inputString,rmatchString) > 0: Substring(inputString,findFirst(inputString,lmatchString)+len(lmatchString),findLast(inputString,rmatchString))Д¬ase count(inputString,lmatchString) > 0:

GetRange(inputString,lmatchString,rmatchString) =Д¬ase count(inputString,lmatchString) > 0 & count(inputString,rmatchString) > 0: # example: getRange('rule your city with cityengine','y','city') returns 'our city with ' # info: extract inputString from first occurrence of lmatchString to last occurrence of rmatchString

Substring(inputString,findLast(inputString,matchString)+len(matchString),len(inputString)) # example: getSuffix('rule your city with cityengine','city') returns 'engine' # info: extract inputString from (end of) last occurrence of matchString to end Substring(inputString,0,findFirst(inputString,matchString)) # example: getPrefix('rule your city with cityengine','city') returns 'rule your ' # info: extract inputString from start to first occurrence of matchString # example: findLast('rule your city with cityengine','city') returns 20ДЇind(inputString,matchString,count(inputString,matchString)-1) # info: find last occurrence of matchString and return its start position # example: findFirst('rule your city with cityengine','city') returns 10 # info: find first occurrence of matchString and return its start position

Cityengine hdk demo