Substitution terms are used in a replacement text Backreferences, in the pure Regex expression. There are two terms pretty look alike in regex's docs, so it may be important to never mix-up Substitutions (i.e. Or even a Named Capture Group, as a reference to store, or replace the data. One of the most common and useful ways to replace text with regex is by using Capture Groups. Italic terms means the strings are volatile (May vary depending on your regex flavor). Substitutes all the matched text to the entire string. Substitutes all the matched text with every non-matched text after the match. Substitutes all the matched text with every non-matched text before the match. Substitutes the matched text to the last group captured. Substitutes the substring matched by a named group name.Įscaped '$' character in the result (replacement) string. Substitutes the substring matched by group number.
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