컴포저 버전 표기 문자 의미

composer version
https://getcomposer.org/doc/articles/versions.md#tilde-version-range-

    - conposer.json


//==========
~
~1.2 
    >=1.2 <2.0.0,

~1.2.3
    >=1.2.3 <1.3.0


//======
^
^1.2.3
    >=1.2.3 <2.0.0

^0.3   (베타 버전)
    >=0.3.0 <0.4.0


//==========
-
1.0 - 2.0
    >=1.0.0 <2.1
   
1.0.0 - 2.1.0
    >=1.0.0 <=2.1.0.


//===========
*
1.0.*
    >=1.0 <1.1.