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danrega
2025-01-15 16:04:14 +01:00
parent 401542476a
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28_Regular_Expressions.md
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@@ -593,7 +593,7 @@ string_opt_set = replace( val = |abc\ndef\nghi| pcre = `(?m).\Z` with = `#` occ
- Regular expressions with PCRE can be processed in normal or extended mode.
- In extended mode, unescaped whitespaces in the pattern are ignored.
- The extended mode is the default for ABAP statements and built-in functions, but you can disable it in the regex pattern with `(?-x)`. The `create_pcre` method of the `CL_ABAP_REGEX` class includes an `extended` parameter for this purpose.
- To handle whitespaces in regular expressions, escape it with `\ `, match it using `\s`, or enable extended mode with `(?-x)`.
- To handle whitespaces in regular expressions, escape it with `\ `, match it using `\s`, or disable extended mode with `(?-x)`.
The following code snippet shows the extended mode enabled by default and then explicitly disabled in a PCRE regular expression.