To check if a string str contains specified substring value , or say if specified substring is present in the string, use C# String. Contains(String) method . Call Contains() method on the string str and pass the substring value as argument. Contains() method returns True if string str contains the substring value .
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Steps of Regular Expression Matching
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With RegEx you can use pattern matching to search for particular strings of characters rather than constructing multiple, literal search queries.
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Java Regex Finder Example
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Java String substring() Method Example 2
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To check if a String matches a Pattern one should perform the following steps:
Read moreWhat is regex matcher in Java?
The Java Matcher class ( java. util. regex. Matcher ) is used to search through a text for multiple occurrences of a regular expression . You can also use a Matcher to search for the same regular expression in different texts.
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