create RegEx from variable

Question

var re = "^abc";

How to create a RegEx from this variable to be able to test some strings with it like this:

/THE_re_VARIABLE_HERE/i.test( someString );

hjpotter92 · Accepted Answer · 2014-08-14 08:28:46Z

1

You'll have to use the class constructor:

var re = "^abc";
new RegExp( re, 'i' ).test( someString );

answered Aug 14, 2014 at 8:28

hjpotter92

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Comments

Bhojendra Rauniyar · Accepted Answer · 2014-08-14 08:29:19Z

1

You can use RegExp method:

var re = "^abc";
new RegExp(re,'i').test( someString );

answered Aug 14, 2014 at 8:29

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