Questions tagged [regex]

a regular expression (abbreviated regex or regexp) is a sequence of characters that forms a search pattern, mainly for use in pattern matching with strings, or string matching, i.e. "find and replace"-like operations.

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regexp_split_to_table to split my column on 2 different levels

Hi Guys is it possible to use regexp_split_to_table to split my column on 2 different levels. AS in split by ';' and then split by ' '. I have this "-29.617356578819454 30.394328366965055 0.0 0.0;-29....
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MapServer runtime execution: Cannot evaluate expression, no item index defined error

I'm trying MapServer's run-time substitution to dynamically set my Mapfile's CLASS EXPRESSION values. The expressions take the form of: CLASS EXPRESSION (([my_attr_col] >= num_1) && ([...