RegExp \xxx Metacharacter

Do a global search for octal number 127 (W) in a string

Browser Support

/\xxx/ is an ECMAScript1 (ES1) feature.

ES1 (JavaScript 1997) is fully supported in all browsers:

Chrome IE Edge Firefox Safari Opera
Yes Yes Yes Yes Yes Yes

Syntax

new RegExp("\\xxx")

or simply:

/\xxx/

Syntax with modifiers

new RegExp("\\xxx", "g")

or simply:

/\xxx/g

Regular Expression Search Methods

In JavaScript, a regular expression text search, can be done with different methods.

With a pattern as a regular expression, these are the most common methods:

ExampleDescription
text.match(pattern)The String method match()
text.search(pattern)The String method search()
pattern.exec(text)The RexExp method exec()
pattern.test(text)The RegExp method test()