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strfind

Find substring within a string in Stateflow chart

Since R2021b

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Syntax

k = strfind(str,substr)

Description

k = strfind(str,substr) searches the string str for occurrences of the substring substr. The operator returns a vector that contains the starting index of each occurrence of substr in str. The search is case-sensitive.

example

Note

The strfind operator is not supported in Stateflow® charts that use C as the action language.

Examples

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Return a value of 8, the starting character position of the substring "world" in the string "Hello, world!".

str = "Hello, world!";
substr = "world";
x = strfind(str,substr);

Stateflow chart that uses the strfind operator in a state.

Input Arguments

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Input string, specified as a string scalar. Enclose literal strings with double quotes.

Example: "Hello"

Substring, specified as a string scalar. Enclose literal strings with double quotes.

Example: "Hello"

Output Arguments

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Starting character position of each occurrence of subStr in str, returned as a vector of doubles that contains the starting index of each occurrence of substr in str. If strfind does not find subStr, then k is an empty array.

Limitations

  • This operator does not support the use of Stateflow structure fields or messages. For more information about structures in Stateflow, see Access Bus Signals.

Version History

Introduced in R2021b

See Also

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