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diff --git a/tools/zsh.html b/tools/zsh.html index 2a540ab..6ca18af 100644 --- a/tools/zsh.html +++ b/tools/zsh.html @@ -272,6 +272,22 @@ echo $bar[2] # 2 echo ${(L)foo} # aabb echo ${(U)foo} # AABB </code></pre> +<h2><a class="header" href="#regular-expressions" id="regular-expressions">Regular Expressions</a></h2> +<p>Zsh supports regular expression matching with the binary operator <code>=~</code>. +The match results can be accessed via the <code>$MATCH</code> variable and +<code>$match</code> indexed array:</p> +<ul> +<li><code>$MATCH</code> contains the full match</li> +<li><code>$match[1]</code> contains match of the first capture group</li> +</ul> +<pre><code class="language-zsh">INPUT='title foo : 1234' +REGEX='^title (.+) : ([0-9]+)$' +if [[ $INPUT =~ $REGEX ]]; then + echo "$MATCH" # title foo : 1234 + echo "$match[1]" # foo + echo "$match[2]" # 1234 +fi +</code></pre> <h2><a class="header" href="#completion" id="completion">Completion</a></h2> <h3><a class="header" href="#installation" id="installation">Installation</a></h3> <p>Completion functions are provided via files and need to be placed in a location |