Message 162896 - Python tracker

This is not infinite loop. This is O(2**len(prefix_before_first_quote)) computation. Measure times of matching for "INSER(`id`...", "INSERT(`id`...", "INSERT (`id`...", "INSERT I(`id`...", etc.

Better use r'''(?:[^`';]+|'(?:''|[^'])*'|`(?:``|[^`])*`)+;''' regexp.