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Like this:
if (str.indexOf("Yes") >= 0)
or you can use the tilde operator:
if (~str.indexOf("Yes"))
This works because indexOf() returns -1 if the string wasn't found at all.
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))
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const string = "foo";
const substring = "oo";
console.log(string.includes(substring)); // true
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<?php
if (str_contains('abc', '')) {
echo "Checking the existence of the empty string will always return true";
}
?>
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function mutation(arr) {
let first = arr[0];
let second = arr[1];
return first.indexOf(second) !== -1;
}
console.log(mutation(["hello", "hel"]));
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single = "a"
many = "aaaaaaaa"
print(single in many)
#True since a is in aaaaaaaa
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#is target in base?
def findSubstring(base, target):
match = ""
for x in range(0, len(base)):
substring = base[0:len(base)-x]
if substring == target:
print("there is a match")
match = substring
if match == "":
return ""
else:
return match
print(findSubstring("aaaaaaa", "aaa"))
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# User input
main_string = input("Enter the main string: ")
substring = input("Enter the substring to search for: ")
# Check if substring is present in the main string
if substring in main_string:
print("Substring found in the main string!")
else:
print("Substring not found.")