regex for url slug
match a url slug
^[a-z0-9]+(?:-[a-z0-9]+)*$
Regex Flags
global match
?
ignore case
?
multiline
?
dotAll
?
unicode
?
sticky
?
best-way
best-d4y
my-1ife
@t-the-sky
at-the--sky
-
a
fly-
A ‘slug' is the part that comes at the very end of a URL, and refers to a specific page or post. Usually a combination of word that separated with hyphen
This expression can be used to validate an url slug with only lowercase alphabet or numbers on each word.
For example, in https://github.com/geongeorge/i-hate-regex , i-hate-regex is the slug.
Cheatsheet
| expr | usage |
|---|---|
/[a-zA-Z]/ | matches all lowercase and uppercase letters |
/ab*c/ | matches zero or more repetitions of "b" (matches "abc", "abbbbc", "ac") |
/ab+c/ | matches one or more repetitions of "b" (matches "abc", "abbbbc", but not "ac") |
/^/ | matches beginning of a line |
/$/ | matches end of a line |
/(?:hard)?work/ | matches "work" or "hardwork" but is a non-capturing group |
iHateRegex
by
geon