There are four MATLAB ® functions that support searching and replacing characters using regular expressions. The first three are similar in the input values they accept and the output values …

This MATLAB function returns the starting index of each substring of str that matches the character patterns specified by the regular expression.

Use regexpPattern to specify patterns using regular expressions that can be used as inputs for text-searching functions. Find words that start with c, end with t, and contain one or more …

Regular expression, specified as a character vector, a cell array of character vectors, or a string array. Each expression can contain characters, metacharacters, operators, tokens, and flags …

Use dynamic expressions to make the regexp pattern dependent on the content of the input text or in replacement terms for the regexprep function.

The example shown here executes regexp on a character vector specifying the path returned from the MATLAB ® tempdir function. The regular expression expr includes six token specifiers, …

To match strings with a regular expression, specify '*.mat' as the regular expression. Then translate the wildcard character, '*', using the regexptranslate function.

There are two types of lookaround assertions for regular expressions: lookahead and lookbehind. In both cases, the assertion is a condition that must be satisfied to return a match to the …

Oct 18, 2012 · Regular expressions are found in text editors and in a range of languages including Perl, Java, Ruby, and of course, MATLAB. In this post, I am going to focus on the function …

Apr 29, 2025 · Develop and refine regular expressions in an interactive figure that shows all of REGEXP's outputs.