tokenpos - returns the tokens positions in a character string.

Calling Sequence

kdf=tokenpos(str [,delimiter])

Parameters

• 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  tokens