Bash as a template language

gistfile1.txt

// Reference https://devhints.io/bash

// If statements
if [[1+1=2]] then
  echo "String is empty"
elif [[1+1=3]] then
  echo "String is not empty"
fi

^(if|elif)\s\[\[(.*)\]\]\s(then)$ // With T${1}E1${2}S${3} as replacement matches
TifE11+1=2Sthen
  echo "String is empty"
TelifE11+1=3Sthen
  echo "String is not empty"
fi

\s(echo)\s"?(.*)"? // With T${1}E${2} as replacement matches
TechoEString is empty
// Also matches
echo $1

^(fi) // With T${1} as replacement matches
TFI

for i in /etc/rc. do
  echo $i
done

^(for)\s(.*)\s(do)$ // With T${1}E${2} as replacement matches
TforEi in /etc/rc.

^(done) // With T${1} as replacement matches
Tdone