insertBefore

Insert string before substring in Stateflow chart

Since R2021b

Syntax

newStr = insertBefore(str,subStr,new)

newStr = insertBefore(str,pos,new)

Description

newStr = insertBefore(str,subStr,new) inserts the string new into the string str before the substring subStr. insertAfter inserts new before every occurrence of subStr.

newStr = insertBefore(str,pos,new) inserts new into str before the character position pos.

Note

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

Examples

Insert Text Before Substring

Insert text to form the string "Hello there, world!".

str = "Hello, world!";
newStr = insertBefore(str,","," there");

Insert Text Before Position

Insert text to form the string "Hello there, world!".

str = "Hello, world!";
newStr = insertBefore(str,6," there");

Input Arguments

str — Input string

string scalar

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

Example: "Hello"

substr — Substring

string scalar

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

Example: "Hello"

pos — Character position

positive integer

Character position, specified as a positive integer.

new — New substring

string scalar

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

Example: "Hello"

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