Regex - Not a word in a place in string

Question

Is there any regex like this:

"/Hello my name is [ANYTHING THAT IS NOT "john"], and I like pizza/"

So when I match with this regex, it should return true as long as the place where the name is is not "john".

"Heloo my name is abcd, and I like pizza" --> false
"Hello my name is asdf, and I like pizza" --> true
"Hello my name is john, and I like pizza" --> false

What should my regex look like to do this in the best way?

possible duplicate of [Regular expression to match string not containing a word?](http://stackoverflow.com/questions/406230/regular-expression-to-match-string-not-containing-a-word) — xeraphim, Dec 09 '14 at 15:49
@xeraphim I have already checked that, it doesn't work for what I want. — , Dec 09 '14 at 15:53
@xeraphim The problem is that that regex don't care what's after john — , Dec 09 '14 at 16:02

score 2 · Accepted Answer · answered Dec 09 '14 at 15:52

2

Hello\smy\sname\sis\s(?:(?!\bjohn\b).)*?\sand\sI\slike\spizza

Try this.See demo.

https://regex101.com/r/iY3eK8/14

answered Dec 09 '14 at 15:52

vks

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score 2 · Answer 2 · answered Dec 09 '14 at 15:52

2

Try this.

/Hello my name is (?!john)[^,]+, and I like pizza/

answered Dec 09 '14 at 15:52

Cool, but what does that [^,]+ mean? – Dec 09 '14 at 16:00
`[^,]+` means one or more characters that isn't a comma. – Corey Ogburn Dec 09 '14 at 16:07
@Murplyx - `Cool, but what does that [^,]+ mean?` Its a character class, says not a comma chracter, quantified 1 to many times. You can restrict it so it doesn't go past a newline by `[^,\n]+`. – Dec 09 '14 at 16:10

score 0 · Answer 3 · edited May 23 '17 at 12:05

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The one through PCRE verb (*SKIP)(*F)

Hello my name is john, and I like pizza(*SKIP)(*F)|Hello my name is [^,]+, and I like pizza

|<----String you don't want----------->|<-VERB--->|<------String you want----------------->

DEMO

edited May 23 '17 at 12:05

Community

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answered Dec 10 '14 at 10:02

Avinash Raj

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Regex - Not a word in a place in string

3 Answers3