jQuery String Contains Functions
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Finding whether a string contains another string can be achieved not using jQuery but plain ole JavaScript!
Here is how you do it.
if (str.indexOf("Yes") >= 0)
Note that this is case-sensitive. If you want a case-insensitive search, you can write
if (str.toLowerCase().indexOf("yes") >= 0)
//OR
if (/yes/i.test(str))
//OR
//You could use search or match for this.
str.search( 'Yes' )
Another example to check if a string contains another string.
if (v.indexOf("http:") == -1)
{
//string doesn't contain http
}
This will return the position of the match, or -1 if it isn’t found.