String Search Mechanism

How do I do a string comparison where I want to determine if onestring is contained within another? For example:

Str1 = "Degree in IT";Str2 = "Diploma or Degree in IT";

I want to see if Str1 is contined in Str2.

The String class supports this type of comparison through itsindexOf(String) method. The method will return the start index of thefirst occurrence of the substring or -1 if the substring does notoccur within the String object.

More general pattern matching can beperformed with a third-party regular expression package.

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