JavaScript RegExp ^ Quantifier

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JavaScript RegExp ^ Quantifier


❮ JavaScript RegExp Object




Example


Do a global search for "Is" at the beginning of a string:



var str = "Is this his";

var patt1 = /^Is/g;

<!--

The marked text below shows where the expression gets a match:



Is this his
-->
Try it Yourself »


Definition and Usage


The ^n quantifier matches any string with n at the beginning of it.


Tip: Use the n$ quantifier
to match any string with n at the END of it.



Browser Support















Expression
^ Yes Yes Yes Yes Yes


Syntax




new RegExp("^n")


or


/^n/


Syntax with modifiers



new RegExp("^n", "g")


or simply:


/^n/g



More Examples



Example


Do a global, case-insensitive, multiline search for "is" at the beginning of each line in a
string:



var str = "nIs thnis hnis?";

var patt1 = /^is/gmi;

<!--

The marked text below shows where the expression gets a match:




Is th
is h
is?
-->
Try it Yourself »




❮ JavaScript RegExp Object