00-2000 (^1{1}\d{3}(\.\d+)?$)
2000-3000 (^2{1}\d{3}(\.\d+)?$)
3000-4000 (^3{1}\d{3}(\.\d+)?$)
4000以上 (^[4-9]{1}\d{3}(\.\d+)?$)|(^[1-9]{1}\d{4,}(\.\d+)?$)

2000以上 (^[2-9]{1}\d{3}(\.\d+)?$)|(^[1-9]{1}\d{4,}(\.\d+)?$)

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