Flash cards
Review the key moves
1/4
Core idea
What is the main idea behind Java String matches() Method?
Lesson checks
Practice each idea before moving on
Short Mimo-style checks built from this lesson's code, terms, and sequence.
1Quick choice
Which statement best captures the main point of this lesson?
2Fill blank
Complete the missing token from the example code.
___ regex = "cat|dog|fish";3Order
Put the learning moves in the order that makes the concept easiest to apply.
The matches() method searches a string for a match against a regular expression, and returns the matches.
Definition and Usage
Java String matches() Method
❮ String Methods
Example
String regex = "cat|dog|fish";
System.out.println("cat".matches(regex));
System.out.println("dog".matches(regex));
System.out.println("catfish".matches(regex));
System.out.println("doggy bag".matches(regex));Definition and Usage
The matches() method searches a string for a match against a regular expression, and returns the matches.
Syntax
public String matches(String
regex )Parameter Values
| Parameter | Description |
|---|---|
| regex | A regular expression |
Technical Details
| Returns: | A boolean value: true if the regular expression exactly matches the string false if it does not match the string. |
|---|