bash string starts with
[[ $a == z* ]] # True if $a starts with a "z" (wildcard matching).
[[ $a == "z*" ]] # True if $a is equal to z* (literal matching).
if [[ "$HOST" =~ ^user.* ]]; then
echo "yes"
fi
if [[ "$HOST" =~ ^user.*|^host1 ]]; then
echo "yes"
fibash check if string starts with substring
# Original source: Advanced Bash Scripting Guide (http://tldp.org/LDP/abs/html/comparison-ops.html)
# The == comparison operator behaves differently within a double-brackets
# test than within single brackets.
[[ $a == z* ]] # True if $a starts with a "z" (wildcard matching).
[[ $a == "z*" ]] # True if $a is equal to z* (literal matching).Copyright © 2021 Codeinu
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