Replace in string with specific word exceptions

Question

I wish to remove the classes from class properties in my PHP project. The string I want to find and replace look like this: private Selector $Selector; Keep in mind that the class (in this case "Selector") is variable.

I've already tried coming up with a solution myself, however, this pattern also matches private function sendEventRelayMessage( Tracker $

find private (.*?) \$\b

replace private \$

Instead of . use [^(] or [^(\n], or just replace .*? with \S+ if you only expect a single word between private and $... — Wiktor Stribiżew
– Wiktor Stribiżew, Commented Jan 14, 2020 at 14:37
What language/tool are you using? From the regex tag info: "Since regular expressions are not fully standardized, all questions with this tag should also include a tag specifying the applicable programming language or tool." — Toto
– Toto, Commented Jan 14, 2020 at 14:38
Ah sorry. Didn't think of that. I am trying to find and replace inside of IntelliJ So that's Regexp @Toto — Jesse Schokker
– Jesse Schokker, Commented Jan 14, 2020 at 14:41

Nicolas · Accepted Answer · 2020-01-14 14:45:16Z

1

You need a more specific Regex. If we follow PHP's rules on class name, it gives us a pretty good regex already to check class name. All you need is to remove reserved word and you got yourself a solution.

I've come up with this regex that does what you are looking for

private ((?!function)[a-zA-Z_\x80-\xff][a-zA-Z0-9_\x80-\xff]+) .+

The regex will look for the keyword private, followed by a space and any characters that are valid class name caracter. It will filter out the keyword function (negative lookahead) then matches a spaces and anything after that.

Here is a more complete explaination on how the regex works.

Regular expression visualization

answered Jan 14, 2020 at 14:45

Nicolas

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