Regular Expression: Regular Expression is used to perform many string related operations. This is the way to manipulate different kind of operations like search, edit and manipulating string can be performed by the regular expression. It has both type characters (literal characters and meta characters). In this section, you will learn how to search a string from the given string exactly.
Program Result: Following program gives you the search facility in which it takes two string/text. One is searched in another one text or string and tells you for the occurrence of the given string for searching into a long string. If the string does not lies in the given string from which the string has to be searched.
This is the class of the java.util.regex package which is the compiled representation. Specified string is first compiled into an instance of this class. The pattern to be used to create a matcher object which finds the character sequences for the regular expression.
This is also a class of java.util.regex package which is used to match character sequences.
Above method finds the matched string in the given string for searching. This method returns a boolean value either true or false.
Here is the code of the program:
Output of the program:
Enter string in which we have to search: dtwerb wewrvwervwe chandan
Enter string to search: w
Occurrence of the word is: 5
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