JavaScript RegExp unicode property is used to check whether the ‘u’ flag is set or not in the Regular Expressions flag. If the ‘u’ flag is set then this property returns true else false.
Syntax:
Regexpobj.unicode
Return Type: A boolean value.
Example 1: This example checks whether ‘u’ flag is present or not and prints it on the console.
Javascript
function unicodeProp() { let regex = new RegExp(/[a-d]/, 'u'); console.log(regex.unicode);}unicodeProp(); |
Output
true
Example 2: This example checks whether ‘u’ flag is present or not.
Javascript
function unicodeProp() { let regex = new RegExp(/[a-d]/, 'y'); if (regex.unicode) { console.log("u flag is present"); } else { console.log("u flag is absent"); }}unicodeProp(); |
Output
u flag is absent
Supported Browsers:
- Chrome 50
- Edge 12
- Firefox 46
- Opera 37
- Safari 10
We have a complete list of Javascript RegExp expressions, to check those please go through this JavaScript RegExp Reference article.
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