en:instr

Instr (Function)

Format

Description

Check to see if the string needle_expr is contained in the string haystack_expr. If it is, then this function will return the index of starting character of the first place where needle_expr occurs. Otherwise, this function will return 0. You may also specify an optional starting location for the search to begin start_expr and a boolean_expr to specify that the search will treat upper and lower case letters the same.

Note

String indices begin at 1.

Example

print instr("Hello", "lo")
print instr("101,222,333",",",5)

will display

4
8

See Also

History

0.9.6.55New to Version
en/instr.txt · Last modified: 2014/02/09 20:48 by admin