Update regex pattern
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@ -37,8 +37,8 @@ add_user() {
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fi
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# Validate the username
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if ! [[ "$username" =~ ^[a-z0-9]+$ ]]; then
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echo -e "${red}Error:${NC} Username can only contain lowercase letters and numbers."
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if ! [[ "$username" =~ ^[a-zA-Z0-9]+$ ]]; then
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echo -e "${red}Error:${NC} Username can only contain letters and numbers."
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exit 1
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fi
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