Q:

Example of matchEntire() function in Kotlin

YasminRadwan26
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2022-07-14
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matchEntire() Function

The matchEntire() function is used to match the entire given string against the pattern and returns an instance of MatchResult if the entire input string matches; null, otherwise.

Syntax:

fun matchEntire(input: CharSequence): MatchResult?
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YasminRadwan26
2022-07-14
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Kotlin program to demonstrate the example of matchEntire() function

// Example of matchEntire() function
fun main()
{
	// Check entire string match
	var pattern = Regex("Hello?")
	println(pattern.matchEntire("Hello")?.value)
	println(pattern.matchEntire("Helllllo")?.value)
	println(pattern.matchEntire("Hello, World!")?.value)

	pattern = Regex("""\D+""")
	println(pattern.matchEntire("Hello")?.value)
	println(pattern.matchEntire("Hello, Boss!")?.value)
	println(pattern.matchEntire("Hello101")?.value)
}

Output:

Hello
null
null
Hello
Hello, Boss!
null

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