The replant is illegal in women's softball.
Here is the NCAA rule:
At the lower levels, it is rarely called. It will be called occasionally at 16U, 18U and HS.
Here is the NCAA rule:
10.4.5 Crow hopping is not allowed. The pitcher may not replant, gain a second starting point and push off her pivot foot. Once having lost contact with the pitcher’s plate, the pivot foot may trail on the ground but may not bear weight again until the pitch is released.
At the lower levels, it is rarely called. It will be called occasionally at 16U, 18U and HS.