Here is 1337Speak Guide.
#!/bin/sh # The LEET-2-1337 converter sed -e s/\[cC\]\[kK\]/X/g -e s/A/4/g -e s/B/8/g -e s/D/\|\)/g -e s/E/3/g -e s/F/\|=/g \ -e s/G/6/g -e s/H/\#/g -e s/I/\!/g -e s/J/_\|/g -e s/K/X/g -e s/L/1/g -e s/M/\|v\|/g \ -e s/N/\|\\\\\\\\\|/g -e s/O/0/g -e s/P/1\"/g -e s/Q/O_/g -e s/R/\|2/g -e s/S/5/g -e \ s/T/7/g -e s/U/\|_\|/g -e s\[V\[\\\\\\\\/\[g -e s\[W\[\|/\\\\\\\\\|\[g -e s/X/\>\</g