Find specific part of string based on input - PHP regexp

Question

I have the following text:

  [[{"type":"media","view_mode":"media_original","fid":"19125","attributes":{"alt":"","class":"media-image","height":"480","typeof":"foaf:Image","width":"480"}}]]

Sed iaculis, nisl vel accumsan condimentum, orci felis congue pede, nec pharetra quam ante nec ligula.

  [[{"type":"media","view_mode":"media_original","fid":"16145","attributes":{"alt":"","class":"media-image","height":"480","typeof":"foaf:Image","width":"480"}}]]

I want to select the first paragraph of the text (section in brackets), based on the fid (19125).

This is my current regexp:

[\[].[^;]*[\]\)]]

But right now it will find both occurrences. I'd like to adjust this so it only gets the one with the correct fid (19125).

@ctwheels I think the OP means the whole code block (two JSON strings and the text between them) is the input. — mingos
– mingos, Commented Nov 21, 2017 at 15:29

Nathan · Accepted Answer · 2017-11-21 15:29:50Z

2

You just need to add in the id to your regex. I've slightly change the regex so that [^;]* turned into [^;]*"fid":"19125"[^;]*. Which is roughly comparable to just doing a contains within each match to see if fid equals 19125.

[\[].[^;]*"fid":"19125"[^;]*[\]\)]]

Demo

answered Nov 21, 2017 at 15:29

Nathan

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