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(New page: ==Function indexOf== {{ProposedChange}} Returns the index of a substring in the specified string. If the substring does not occur within the string then -1 is returned. If you do not speci...) |
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==Function indexOf== | ==Function indexOf== | ||
{{ProposedChange}} | {{ProposedChange}} | ||
Returns the index of a substring in the specified string. If the substring does not occur within the string then -1 is returned. If you do not specify the index to start at the search begins at the start of the string otherwise it will begin from the position you specify | Returns the index of a substring in the specified string. If the substring does not occur within the string then -1 is returned. If you do not specify the index to start at the search begins at the start of the string otherwise it will begin from the position you specify. | ||
===Usage=== | ===Usage=== | ||
Revision as of 03:44, 23 December 2008
Function indexOf
Note: This refers to a proposed change that has not been implemented in the main code base yet.
Returns the index of a substring in the specified string. If the substring does not occur within the string then -1 is returned. If you do not specify the index to start at the search begins at the start of the string otherwise it will begin from the position you specify.
Usage
[h: ind = index(str, substr)]
[h: ind = index(str, substr, start)]
Examples
[r: indexOf("this is a test", "is")]Returns 2.
[r: indexOf("this is a test", "is", 3)]Returns 5.
[r: indexOf("this is a test", "x")]Returns -1.