How to check whether a string contains a substring in JavaScript ...
Nov 24, 2009 · Check string contains substring in javascript. 1. Check if string contains substring without using any ...
How to tell if a string contains a certain character in JavaScript?
ES6 contains inbuilt method (includes) in String's prototype, which can be used to check if string contains another string or not. var str = 'To be, or not to be, that is the question.'; …
javascript - How do I check if string contains substring ... - Stack ...
It's pretty late to write this answer, but I thought of including it anyhow. String.prototype now has a method includes which can check for substring.
How to check if a string contains a WORD in javascript?
Mar 14, 2019 · So, you can easily check if a string contains a particular substring using the .includes() method. I'm interested in finding if a string contains a word. For example, if I apply …
How to check if a string contains text from an array of substrings …
Apr 7, 2011 · Note that this is an answer to a slightly different question, which asks if a string contains text from an array of substrings. This code checks if a string is one of the substrings. …
Fastest way to check a string contain another substring in JavaScript?
Jul 23, 2017 · As a result of the Chrome 59 JavaScript improvements, indexOf is significantly faster than includes (upwards of 1600% faster). It's unclear how a difference of 44 million …
Check if a string has a certain piece of text - Stack Overflow
Possible Duplicates: Check if text is in a string JavaScript: string contains I'm trying to check if a string I import into my application has a certain piece of text. I know how to do this w...
Javascript - Find Comma Exists In String - Stack Overflow
I need to find if a comma exists in a javascript string so I know whether to do str.split(',') on it or not. Is this the correct way: var myVar = str.search(',');? If the value of myVar is greater than 0 …
JavaScript - checking for any lowercase letters in a string
May 14, 2010 · Consider a JavaScript method that needs to check whether a given string is in all uppercase letters. The input strings are people's names. The current algorithm is to check for …
javascript - Check if text is in a string - Stack Overflow
I want to check is some text is in a string for instance i have a string str = "car, bycicle, bus" and I have another string str2 = "car" I want to check if str2 is in str. I am a newbie in java...