Regular Expressions 101

^start of line

\w{42}any word character, repeated exactly 42 times

the literal (32₁₀ / 40₈ / 20₁₆)

Global pattern flags

g modifier: global. Finds all matches instead of stopping after the first

m modifier: multiline. Causes ^ and $ to match the start and end of each line, not only the start and end of the string

Detailed match information will be displayed here automatically.

Search reference

Regular Expression

^\w{42}

Test String
New

0x8DA1937198d1A51d735aa3E57423183888539E48 0x92b7b421992ef490f3b75898ec0e511f1a5c02422819d89719b20362b023ce4f
0x5D9D8F9F0E0E3D6B07C4Fa829Bf0550D5846E6e2 0x4a7657258f0bc1744c32bed405c0b53b5addcf210f8c15a8f69d168b0ccfc492g2

Regular Expression

Test StringNew

SubstitutionProcessing...

Test String
New

Substitution
Processing...