String functions
- base64_decode_toarray
- base64_decode_tostring
- base64_encode_fromarray
- base64_encode_tostring
- coalesce
- countof_regex
- countof
- extract_all
- extract
- format_bytes
- format_url
- gettype
- indexof_regex
- indexof
- isascii
- isempty
- isnotempty
- isnotnull
- isnull
- parse_bytes
- parse_csv
- parse_json
- parse_path
- parse_url
- parse_urlquery
- quote
- regex_quote
- replace_regex
- replace_string
- replace
- reverse
- split
- strcat_delim
- strcat
- strcmp
- string_size
- strip_ansi_escapes
- strlen
- strrep
- substring
- tolower
- totitle
- toupper
- translate
- trim_end_regex
- trim_end
- trim_regex
- trim_space
- trim_start_regex
- trim_start
- trim
- unicode_codepoints_from_string
- unicode_codepoints_to_string
- url_decode
- url_encode