Swift 3.0+

var string = "hello Swift"if string.range(of:"Swift") != nil { 
print("exists")
}// alternative: not case sensitive
if string.lowercased().range(of:"swift") != nil {
print("exists")
}

Older Swift

var string = "hello Swift"if string.rangeOfString("Swift") != nil{ 
println("exists")
}// alternative: not case sensitive
if string.lowercaseString.rangeOfString("swift") != nil {
println("exists")
}

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Mr.Javed Multani

Mr.Javed Multani

296 Followers

iOS Developer, Triple graduated, Passionate, Love workout, blogger