Alphabetical index
- abs
- ancestors
- api
- boolean
- byte
- c for strings, for booleans
- cap_first
- capitalize
- ceiling
- children
- chop_linebreak
- chunk
- contains
- date for dates, for strings
- date_if_unknown
- datetime for dates, for strings
- datetime_if_unknown
- double
- ends_with
- ensure_ends_with
- ensure_starts_with
- eval
- first
- floor
- groups
- float
- has_api
- has_content
- html
- index_of
- int
- interpret
- is_infinite
- is_nan
- is_type
- iso, iso_...
- j_string
- join
- js_string
- keep_after
- keep_after_last
- keep_before
- keep_before_last
- keys
- last
- last_index_of
- left_pad
- length
- long
- lower_abc
- lower_case
- matches
- namespace
- new
- node_namespace
- node_name
- node_type
- number
- number_to_date, number_to_datetime, number_to_time
- parent
- replace
- remove_beginning
- remove_ending
- reverse
- right_pad
- round
- root
- rtf
- short
- size
- sort
- seq_contains
- seq_index_of
- seq_last_index_of
- sort_by
- split
- starts_with
- string: for strings, for numbers, for booleans, for date/time/date-time
- substring (deprecated)
- time for date/time/date-time, for strings
- time_if_unknown
- trim
- uncap_first
- upper_abc
- upper_case
- url
- values
- word_list
- xhtml
- xml
See the built-ins filtered by left-hand-value type here.
If you don't find a built-in here that you have seen in a working template, probably you will find it here: Deprecated FTL constructs