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Create a new RegExp
object.
Syntax
JSObject * JS_NewRegExpObject(JSContext *cx, JS::HandleObject obj, const char *bytes, size_t length, unsigned flags); JSObject * JS_NewUCRegExpObject(JSContext *cx, JS::HandleObject obj, const char16_t *chars, size_t length, unsigned flags); JSObject * JS_NewRegExpObjectNoStatics(JSContext *cx, char *bytes, size_t length, unsigned flags); JSObject * JS_NewUCRegExpObjectNoStatics(JSContext *cx, char16_t *chars, size_t length, unsigned flags);
Name | Type | Description |
---|---|---|
cx |
JSContext * |
The context in which to create the new object. Requires request. In a |
obj |
JS::HandleObject |
A pointer to a global object. |
bytes or chars |
const char * or const char16_t * |
A pointer to the string that contains a regular expression. |
length |
size_t |
The length of bytes or chars , in characters. |
flags |
unsigned |
Regular expression flags. See below. |
Flags
Name | Description | RegExp constructor flag |
---|---|---|
JSREG_FOLD |
Fold uppercase to lowercase. | i |
JSREG_GLOB |
Global execution, creates array of matches. | g |
JSREG_MULTILINE |
Treat ^ and $ as begin and end of line. |
m |
JSREG_STICKY |
Only match starting at lastIndex . |
y |
Description
JS_NewRegExpObject
and JS_NewUCRegExpObject
create a new RegExp
instance. The flags from the built-in RegExp
constructor properties ignoreCase
, global
, multiline
, and sticky
are OR
'd in with the provided flags
parameter.
JS_NewRegExpObjectNoStatics
and JS_NewUCRegExpObjectNoStatics
create a new RegExp
instance. They do not OR
in any RegExp
constructor properties.