Package com.couchbase.client.java.query.dsl.functions

Class PatternMatchingFunctions

java.lang.Object

com.couchbase.client.java.query.dsl.functions.PatternMatchingFunctions

@Experimental
@Public
public class PatternMatchingFunctions
extends Object

DSL for N1QL functions in the Pattern Matching category. Pattern-matching functions allow you to work determine if strings contain a regular expression pattern. You can also find the first position of a regular expression pattern and replace a regular expression with another.

Since:

2.2

Author:

Simon Baslé

Method Summary

Modifier and Type	Method	Description
static Expression	regexpContains(Expression expression, String pattern)	Returned expression results in True if the string value contains the regular expression pattern.
static Expression	regexpContains(String expression, String pattern)	Returned expression results in True if the string value contains the regular expression pattern.
static Expression	regexpLike(Expression expression, String pattern)	Returned expression results in True if the string value matches the regular expression pattern
static Expression	regexpLike(String expression, String pattern)	Returned expression results in True if the string value matches the regular expression pattern
static Expression	regexpPosition(Expression expression, String pattern)	Returned expression results in the first position of the regular expression pattern within the string, or -1.
static Expression	regexpPosition(String expression, String pattern)	Returned expression results in the first position of the regular expression pattern within the string, or -1.
static Expression	regexpReplace(Expression expression, String pattern, String repl)	Returned expression results in a new string with all occurrences of pattern replaced with repl.
static Expression	regexpReplace(Expression expression, String pattern, String repl, int n)	Returned expression results in a new string with occurrences of pattern replaced with repl.
static Expression	regexpReplace(String expression, String pattern, String repl)	Returned expression results in a new string with all occurrences of pattern replaced with repl.
static Expression	regexpReplace(String expression, String pattern, String repl, int n)	Returned expression results in a new string with occurrences of pattern replaced with repl.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Details

regexpContains

public static Expression regexpContains(Expression expression,
String pattern)

Returned expression results in True if the string value contains the regular expression pattern.

regexpContains

public static Expression regexpContains(String expression,
String pattern)

Returned expression results in True if the string value contains the regular expression pattern.

regexpLike

public static Expression regexpLike(Expression expression,
String pattern)

Returned expression results in True if the string value matches the regular expression pattern

regexpLike

public static Expression regexpLike(String expression,
String pattern)

Returned expression results in True if the string value matches the regular expression pattern

regexpPosition

public static Expression regexpPosition(Expression expression,
String pattern)

Returned expression results in the first position of the regular expression pattern within the string, or -1.

regexpPosition

public static Expression regexpPosition(String expression,
String pattern)

Returned expression results in the first position of the regular expression pattern within the string, or -1.

regexpReplace

public static Expression regexpReplace(Expression expression,
String pattern,
String repl,
int n)

Returned expression results in a new string with occurrences of pattern replaced with repl. At most n replacements are performed.

regexpReplace

public static Expression regexpReplace(String expression,
String pattern,
String repl,
int n)

Returned expression results in a new string with occurrences of pattern replaced with repl. At most n replacements are performed.

regexpReplace

public static Expression regexpReplace(Expression expression,
String pattern,
String repl)

Returned expression results in a new string with all occurrences of pattern replaced with repl.

regexpReplace

public static Expression regexpReplace(String expression,
String pattern,
String repl)

Returned expression results in a new string with all occurrences of pattern replaced with repl.