Q:

Example of find() function in Kotlin

YasminRadwan26
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2022-07-14
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find() Function

The find() function returns the first match of a regular expression in the given input, beginning at the specified startIndex.

Syntax:

fun find(
    input: CharSequence,
    startIndex: Int = 0
): MatchResult?
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YasminRadwan26
2022-07-14
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Kotlin program to demonstrate the example of find() function

// Example of find() function
fun main()
{
	// Regex to match "oo" in a string
	val pattern = Regex("oo")
	val res : MatchResult? = pattern.find("noncooperations coordination", 2)
	println(res ?.value)
    
	val res1 : MatchResult? = pattern.find("noncooperations coordination", 20)
	println(res1 ?.value)
}

Output:

oo
null

Explanation:

In the first statement "oo" is there from the index 2, but in the second statement "oo" is not there from the index 20.

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total answers (1)

Kotlin Regular Expression (Regex) Programs
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