で始まる（StartsWith）

Python

py

s.startswith('abc')

Swift

cs

s.hasPrefix("abc")

Bash

bash

if [[ $a == z* ]]; then ...

bash

if [[ $a == z* ]]; then
    ...
fi
if [ `expr "$c" : "a"` = 1 ]; then  # 1は文字数
  ...
fi

Ruby

rb

s.start_with?('abc')

PowerShell

powershell

$s.StartsWith()

C#

cs

s.StartsWith("abc")