I need to make a pattern matching RSA modulus (n) which looks like this:
01sjBnlcardSsWRiEm9i4hZCn0iz12HypdP_1osRvD4O6__tl0qRlE9t1afTXzLDrFaySdQOVd8LGQWi1RixCnb01-7ypxvPDM4yM02haCgD5an9CUSulWUtsiUi01UCgvOYsKEfSBoDVx875G7ypUJx4SN7WnlIDJI2-fWkPwx-hVcDyP6Uzrf9vTsQrzZYAEkIjFcveG_6zwnQtj5K1fIJteZoLeNsTiGwSVJkg6QUkbfVgv5edjE9NTr8Z6jlfJR0q_N9mt3qzRh85ovTNLWoqN99Nbv_t5fq7he6fgM6mnT6PPfaR9auMvtv9kI_659NFKT7BXMD3nV3SjtkSuJFByeiSc5kjrbCGaZB5wgZghYKoQEImrVEotuOXBLVF3-Cw_Jzgcsi7cUfdEH98Ro8_uVJGDMBu0Dbd36d724S-42eh2t9qHor0WosSbCIkuKLVZiiyChRWQk9GelhQ3mSRXmyfVukfMlMpyR0Y3oT4OgQiVtPvONA11PySJpUBItd4xk5tobKE0LaG83bf85syq4PY_jBGVW8Dy-nAmJKcAQ-5UJkNlgzeUK_qbCzjZxrbPwnGm7Pl258a58FtCdFnJYNQjleCE_2YhXX-9iWBS_FycABUdM_tBk0m5NYOZ5JSvx8eQOxUmt7iISa0o24Pu1PNpB2EpANN7KPVZM
or one more example
4VUYy3BrKtcxndUwdAtBE-rqoxVcnceCd2vxvyDxgbNboGGC5cLBion6sM9aAWa1FLCIebN9dgXVnZokzS5KVtRO4BqUAo7u_8yBblSg_PyKqCNao_XGxHaclkuXm5_vFhRNxzk6sA54S2EWOB84Cj7z3EfZaEO2-YGJ7Nkso5ig4IExLnIco688iGTx3EX7sPpGwEfQebMOfDEtmPHpVkJhznad5IzlhEFjZY5tDDZPEIL6jeFbLAoFA6xy9FEp2xt3TDwa_w9cIqGnUVndUzfjXFykRREW88eMMqxuJYeQEAh3pw-huKlCWk78GxO1xoYaVMVeQyYp0r3Pz-FIvPs78KI2pkiT7zmx8viC46Mve2_FYymTGiK1XesoSwqIoANjCeJJV3wEV67nKb5j9uG4Mlhtta5aDbSkV4rYsJbG-A0Tcc5vSEJBwGDeZ_l7McbuWk31vaQcEWoGB3Ktc9Qnl-z4i_N__QcZ7ZEEg2nB797keEHpmuhqqgkUkoetBCxb15_Vfp85j6upACglIodTz60fjf8tZ2gQUwITHNFk2IAX3vcoJuNSblfZwXo-a5FFnY_mcbHmstXuvPu-9ZCC0-UsHX6LTPrt_IJUhKdnLKnvTEWII78VirWcpoYzOBK2EFIs64ELCYnM0szv-Qp4Zcurparp7nkqMpy2O1c
Needed to find it in text like
kty: "RSA",
n: "01sjBnlcardSsWRiEm9i4hZCn0iz12HypdP_1osR..."
or
<n>01sjBnlcardSsWRiEm9i4hZCn0iz12HypdP_1osR...</n>
and so on.
I tried \S{683}
but it's too large sample so I need exclude repetition of characters and have their mandatory diversity to escape matching with "aaaaaaaaaa..." or "0000000000..."
Please help if someone has it. Thanks!
If you want to match only when the entire string is exactly 683 characters and contains only valid base64 characters, use:
^[a-zA-Z0-9_\-=]{683}$