Extracts a substring from a string.
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Syntax |
Description |
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s1 = substring(s,pos); |
Returns a substring of s, starting at position pos to the end of s. The position pos can be 1 to length(s). |
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s1 = substring(s,pos,len); |
Returns a substring of s, starting at position pos, with len characters. If len is -1 (or any value less than 0) it returns the substring at position pos to the end of s. The default value of len is -1. |
Example
The following example shows the different ways to extract a substring from a string.
?substring("hello",3);
llo
?substring("hello",3,2);
ll
See Also
List of commands , length , findstring , replace , replacestring , str2num , num2str , splitstring , lower , upper , toscript