regex match pattern not followed by any letters [duplicate] - regex

This question already has answers here:
Regex match entire words only
(7 answers)
What is a word boundary in regex?
(13 answers)
Closed 5 years ago.
I know this might be a repeated question, but I want to know how to match a word (for example apple) that is not followed by any letters. So, banana-apple-a will pass but banana-applea will not.

Related

Why this regex doesn't catch all integers? [duplicate]

This question already has answers here:
Regex - some matches are missing
(1 answer)
Regex skips some matches by consuming from the input string
(2 answers)
Closed 7 months ago.
Why this regex doesn't catch all integers between operator signs?
(^|[-+*\/\^])(\d+)([-+*\/\^]|$)
https://regex101.com/r/UeepIz/1

What does [^a-z0-9] means in regex? [duplicate]

This question already has answers here:
Reference - What does this regex mean?
(1 answer)
Negating specific characters in regex
(4 answers)
Closed 5 years ago.
Just wondering what does [^a-z0-9] mean in regex?
I looked around this site and only find [a-z0-9], so what does the ^ symbol mean?

What does this regex do in terms of password validation? [duplicate]

This question already has answers here:
Reference - What does this regex mean?
(1 answer)
Check whether a string matches a regex in JS
(13 answers)
Closed 6 years ago.
I inherited a project and have no idea what this does:
/\d/.test(password)
Any ideas?
It checks that the password contains a digit (0-9).

Regex number match [duplicate]

This question already has answers here:
Regex match entire words only
(7 answers)
Closed 6 years ago.
How can I get a match when numbers are 5 or 7 digits long with these parameters?
If I understand your question correctly, this (visualize here) should do it:
`/\b([5-9]\d{4}(?:\d{2})?)\b/`

Match all Strings without the word "authorize" in them [duplicate]

This question already has answers here:
Closed 12 years ago.
Possible Duplicate:
Java \ Pattern - how to write a pattern that verifies the lack of a string?
How can I match all strings without the word "authorize" in them via regular expressions? I tried *(authorize){0}* to no avail.
/^(?!.*authorize).*/
This uses a negative lookahead to ensure that the overall pattern will match only if the expression "authorize" cannot match anywhere in the input.