How can I increase the length of vertical bar in the following?
\[M=\frac{e^{4}}{2k_1}\Big{\{}-(1+t)\left|_{-1}^0\right.+(1-2t)\left|_{0}^1 \right. \Big{\}}\]
Try \bigg|:
\left(1-2t\right)\bigg|^{0}_{-1}

(Although the official recommended method is \left. \right\vert)
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