Programmer Guide/Command Reference/SUBSTR: Difference between revisions
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(initial import) |
m (1 revision: Initial import) |
Revision as of 17:31, 18 November 2010
SUBSTR
var := SUBSTR string [ start [ length ]]
-> var = 'string[start .. start+length-1]'
Get a substring of the string string. If no length is specified all characters from start to the end of the string are copied to var
. If neither
- string
- The string from which to retrieve the substring.
- start
- The zero-based index of the first character of the substring. The default value is
0
.
- length
- The length of the substring. If length is not specified then the length of the string minus start is used.
Remove the first character of a string.
#str := substr '$#str' 1