Computer scienceProgramming languagesJavaAdditional instrumentsRegular expressions

Regexps in Java

Theory

Characters and functions

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Match a special character to its function in a regex.

Match the items from left and right columns
the dot "."
the question mark "?"
the backslash "\"
matches any single character except the newline character
signals that a special character is to be interpreted literally
matches the preceding character 0 or 1 times
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