How do i check if a substring matches with regex?

Question

I want to find out if my string contains a certain substring and return true if it does and false if it doesnt.

regex = /^[a-z0-9]*(TEST)+'[a-z0-9]*$/;
if(myString.contains(regex)) {
  // do something
}

Duplicate: stackoverflow.com/questions/345194/…

mcandre
– mcandre

2010-07-06 17:38:24 +00:00
Commented Jul 6, 2010 at 17:38 — mcandre
– mcandre, Commented Jul 6, 2010 at 17:38

Matt · Accepted Answer · 2010-07-06 17:38:48Z

3

With the ^ and $ anchors, you are pretty much preventing any sub-match, because they require the entire myString to match the regex. So the first step is to remove those anchors. Then:

if (regex.test(myString)) {

answered Jul 6, 2010 at 17:38

Matt

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