When is it appropriate to use regular expressions versus other pattern matching techniques?

Sep 14, 2012 ... There are lots of ways to deal with this, the example below defines the string with the percent chars separately in a group where the catcode of ... + Pattern Matching in The Racket Guide introduces pattern matching. The match form and related forms support general pattern matching on Racket values. See ... Dec 21, 2022 ... Pattern matching is a feature that is still being worked on. Some elements of this feature have been released as final features in the Java language. Compiles the given regular expression and attempts to match the given input against it. ... If a pattern is to be used multiple times, compiling it once and ... Apr 26, 2012 ... The best sed instruction ever. sed 's/ [ ]* / /g' will replace all two or greater sequences of spaces into one space, therefore all words will be space ... May 13, 2024 ... I was writing string.IsNullOrEmpty it got me thinking whether I could switch from this very specific method to using (maybe) a more general pattern matching ... Jun 2, 2023 ... I am doing some validity tests using pattern matching. The issue is that the valid values I want not to be flagged can be either a 4-digit string or a 5-digit ... Feb 10, 2020 ... I hereby propose 4 major problems preventing us from bringing out good enough pattern matching, which I hope the authors and contributors of existing and ... Mar 29, 2021 ... I am having some trouble with pattern matching callbacks in Dash. First, let me explain what I am trying to do, and then I'll show you some code. A pattern-matching operator searches a string for a pattern specified in the conditional expression and returns true or false depend on whether it finds a ...