• *grouping_word Function
• *grouping_word_inside Function
• a5_csweb_to_list Function
• a5_extractoddata Function
• a5_get_pos_linestart Function
• a5_modeless_textencoder Function
• expandtablefiletypes Function
• EXTRACT_STRING Function
• getstringfromfile Function
• LASTWORD Function
• LEADING Function
• LEFT Function
• left_u Function
• rat_u Function
• regex_literal_extract Function
• regex_literal_mask_get Function
• right_u Function
• SUBSTR Function
• substr_u Function
• TRAILING Function
• WORD2 Function
• WORD_IN_COMMON Function
• WORD_IN_COMMON_C Function
• WORD_UNIQUE Function
• WORD_UNIQUE_C Function

WORD_UNIQUE Function

Syntax

Arguments

SourceCharacter

A string containing a series of delimited words or values.

DelimiterCharacter

Default = CRLF(). The delimiter that separates the words or values.

Returns

Output_StringCharacter

Returns a list of unique words (case-insensitive comparison) in a delimited list.

Description

Remove duplicate words from a list.

Discussion

The WORD_UNIQUE() function returns a list of unique words in a delimited string.

s = "a" + crlf() + "ab" + crlf() + "abc" + crlf() + "ab" + crlf() + "a"
? s
= a
ab
abc
ab
a

? word_unique(s, crlf())
= a
ab
abc

For a case-insensitive comparison, use the WORD_UNIQUE_C() function.

See Also

• Character Extraction Functions
• List Processing Functions