tokenpos

returns the tokens positions in a character string.

Calling Sequence

kdf=tokenpos(str [,delimiter])

Arguments

:str A character string. The string where to search the tokens. : :delimiter (optional) A character or a vector of characters. The

tokens delimeters.

: :kdf Two columns matrix, first column gives the index of the

beginning of the tokens, the second gives the index of the last character of the tokens.

:

Description

kdf=tokenpos(str [,delimiter]) searches the tokens included in the string str. The delimiter default value is [” ”,<Tab>] where <Tab> stands for ascii(9). It returns the indices of the first and last characters of each found tokens.

Examples

str='This is a character string';
kdf=tokenpos(str)
first=`part`_(str,kdf(1,1):kdf(1,2))

See Also

• strindex search position of a character string in an other string.
• tokens returns the tokens of a character string.